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1310051930625 = 345450872
BaseRepresentation
bin10011000100000101001…
…011100001001000000001
311122020110202211102210000
4103010011023201020001
5132430441243240000
62441455103230213
7163435210451514
oct23040513411001
94566422742700
101310051930625
11465654186479
12191a918a8369
13966ca797999
144759a588d7b
1524126640000
hex131052e1201

1310051930625 has 75 divisors (see below), whose sum is σ = 2445936969157. Its totient is φ = 698557014000.

The previous prime is 1310051930599. The next prime is 1310051930657. The reversal of 1310051930625 is 5260391500131.

It is a happy number.

The square root of 1310051930625 is 1144575.

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

1310051930625 is a `hidden beast` number, since 1 + 3 + 10 + 0 + 5 + 19 + 3 + 0 + 625 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102708071361 + 1207343859264 = 320481^2 + 1098792^2 .

It is a tau number, because it is divible by the number of its divisors (75).

It is not a de Polignac number, because 1310051930625 - 29 = 1310051930113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310051930625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 257526832 + ... + 257531918.

Almost surely, 21310051930625 is an apocalyptic number.

1310051930625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1310051930625 is the 1144575-th square number.

1310051930625 is the 572288-th centered octagonal number.

It is an amenable number.

1310051930625 is a deficient number, since it is larger than the sum of its proper divisors (1135885038532).

1310051930625 is an frugal number, since it uses more digits than its factorization.

1310051930625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206 (or 5095 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

Multiplying 1310051930625 by its sum of digits (36), we get a square (47161869502500 = 68674502).

The spelling of 1310051930625 in words is "one trillion, three hundred ten billion, fifty-one million, nine hundred thirty thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 625 675 1125 1875 2025 3375 5087 5625 10125 15261 16875 25435 45783 50625 76305 127175 137349 228915 381525 412047 635875 686745 1144575 1907625 2060235 3179375 3433725 5722875 9538125 10301175 17168625 25877569 28614375 51505875 77632707 85843125 129387845 232898121 257529375 388163535 646939225 698694363 1164490605 1940817675 2096083089 3234696125 3493471815 5822453025 9704088375 10480415445 16173480625 17467359075 29112265125 48520441875 52402077225 87336795375 145561325625 262010386125 436683976875 1310051930625