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144647105625 = 32541124612
BaseRepresentation
bin1000011010110110100…
…0111010110001011001
3111211100201001022020100
42012231220322301121
54332214124340000
6150241105250013
713310330053131
oct2065550726131
9454321038210
10144647105625
115638757a400
122404a033909
1310842593139
1470028abac1
153b68bbba00
hex21ada3ac59

144647105625 has 135 divisors (see below), whose sum is σ = 287601381067. Its totient is φ = 69979800000.

The previous prime is 144647105587. The next prime is 144647105653. The reversal of 144647105625 is 526501746441.

The square root of 144647105625 is 380325.

It is a perfect power (a square), and thus also a powerful number.

144647105625 is a `hidden beast` number, since 1 + 4 + 4 + 6 + 4 + 7 + 10 + 5 + 625 = 666.

144647105625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 130502285001 + 14144820624 = 361251^2 + 118932^2 .

It is not a de Polignac number, because 144647105625 - 217 = 144646974553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 313767895 + ... + 313768355.

Almost surely, 2144647105625 is an apocalyptic number.

144647105625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144647105625 is the 380325-th square number.

144647105625 is the 190163-rd centered octagonal number.

It is an amenable number.

144647105625 is a deficient number, since it is larger than the sum of its proper divisors (142954275442).

144647105625 is an frugal number, since it uses more digits than its factorization.

With its predecessor (144647105624) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (970).

144647105625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 144647105625 in words is "one hundred forty-four billion, six hundred forty-seven million, one hundred five thousand, six hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 121 125 165 225 275 363 375 461 495 605 625 825 1089 1125 1375 1383 1815 1875 2305 2475 3025 4125 4149 5071 5445 5625 6875 6915 9075 11525 12375 15125 15213 20625 20745 25355 27225 34575 45375 45639 55781 57625 61875 75625 76065 103725 126775 136125 167343 172875 212521 226875 228195 278905 288125 380325 502029 518625 633875 637563 680625 836715 864375 1062605 1140975 1394525 1901625 1912689 2337731 2510145 2593125 3169375 3187815 4183575 5313025 5704875 6972625 7013193 9508125 9563445 11688655 12550725 15939075 20917875 21039579 25715041 26565125 28524375 34863125 35065965 47817225 58443275 62753625 77145123 79695375 104589375 105197895 128575205 132825625 175329825 231435369 239086125 292216375 313768125 385725615 398476875 525989475 642876025 876649125 1157176845 1195430625 1461081875 1928628075 2629947375 3214380125 4383245625 5785884225 9643140375 13149736875 16071900625 28929421125 48215701875 144647105625