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8882120025 = 32526121032
BaseRepresentation
bin10000100010110101…
…00110010101011001
3211221000021110002100
420101122212111121
5121142310320100
64025210354013
7433051526442
oct102132462531
924830243070
108882120025
1138487a8269
12187a72b909
13ab721932c
146038cc2c9
1536eb94400
hex2116a6559

8882120025 has 81 divisors (see below), whose sum is σ = 16332493437. Its totient is φ = 4614235200.

The previous prime is 8882120003. The next prime is 8882120069. The reversal of 8882120025 is 5200212888.

It is a happy number.

The square root of 8882120025 is 94245.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4091265369 + 4790854656 = 63963^2 + 69216^2 .

It is not a de Polignac number, because 8882120025 - 227 = 8747902297 is a prime.

It is a super-2 number, since 2×88821200252 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 86234124 + ... + 86234226.

Almost surely, 28882120025 is an apocalyptic number.

8882120025 is the 94245-th square number.

8882120025 is the 47123-rd centered octagonal number.

It is an amenable number.

8882120025 is a deficient number, since it is larger than the sum of its proper divisors (7450373412).

8882120025 is a wasteful number, since it uses less digits than its factorization.

8882120025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The cubic root of 8882120025 is about 2070.9623929307.

Multiplying 8882120025 by its sum of digits (36), we get a square (319756320900 = 5654702).

The spelling of 8882120025 in words is "eight billion, eight hundred eighty-two million, one hundred twenty thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 61 75 103 183 225 305 309 515 549 915 927 1525 1545 2575 2745 3721 4575 4635 6283 7725 10609 11163 13725 18605 18849 23175 31415 31827 33489 53045 55815 56547 93025 94245 95481 157075 159135 167445 265225 279075 282735 383263 471225 477405 647149 795675 837225 1149789 1413675 1916315 1941447 2387025 3235745 3449367 5748945 5824341 9581575 9707235 16178725 17246835 28744725 29121705 39476089 48536175 86234175 118428267 145608525 197380445 355284801 592141335 986902225 1776424005 2960706675 8882120025