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3128131941325 = 52134519302303
BaseRepresentation
bin101101100001010011001…
…100010111001111001101
3102002001020220010022022121
4231201103030113033031
5402222403234110300
610353013255412541
7442000011534166
oct55412314271715
912061226108277
103128131941325
11aa66a6a26766
12426305084151
13198c9b6a5671
14ab58c25076d
15565835a881a
hex2d8533173cd

3128131941325 has 12 divisors (see below), whose sum is σ = 3879172395648. Its totient is φ = 2502319238000.

The previous prime is 3128131941323. The next prime is 3128131941329. The reversal of 3128131941325 is 5231491318213.

It is not a de Polignac number, because 3128131941325 - 21 = 3128131941323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128131941323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4314877 + ... + 4987426.

It is an arithmetic number, because the mean of its divisors is an integer number (323264366304).

Almost surely, 23128131941325 is an apocalyptic number.

It is an amenable number.

3128131941325 is a deficient number, since it is larger than the sum of its proper divisors (751040454323).

3128131941325 is a wasteful number, since it uses less digits than its factorization.

3128131941325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315764 (or 9315759 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The spelling of 3128131941325 in words is "three trillion, one hundred twenty-eight billion, one hundred thirty-one million, nine hundred forty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 13451 67255 336275 9302303 46511515 232557575 125125277653 625626388265 3128131941325