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331305728107368 = 23371972057905401
BaseRepresentation
bin100101101010100100010000…
…0001111000110001101101000
31121110001111222211102210200010
41023111020200033012031220
5321411103112343413433
63132343430024211520
7126533022536023320
oct11325104017061550
91543044884383603
10331305728107368
1196622a744375a3
12311a932a009ba0
13112b2cc459ab31
145bb53d6002280
152848050389e63
hex12d52203c6368

331305728107368 has 32 divisors (see below), whose sum is σ = 946587794592960. Its totient is φ = 94658779459200.

The previous prime is 331305728107309. The next prime is 331305728107441. The reversal of 331305728107368 is 863701827503133.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986028952533 + ... + 986028952868.

It is an arithmetic number, because the mean of its divisors is an integer number (29580868581030).

Almost surely, 2331305728107368 is an apocalyptic number.

It is an amenable number.

331305728107368 is an abundant number, since it is smaller than the sum of its proper divisors (615282066485592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331305728107368 is a wasteful number, since it uses less digits than its factorization.

331305728107368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972057905417 (or 1972057905413 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 331305728107368 in words is "three hundred thirty-one trillion, three hundred five billion, seven hundred twenty-eight million, one hundred seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1972057905401 3944115810802 5916173716203 7888231621604 11832347432406 13804405337807 15776463243208 23664694864812 27608810675614 41413216013421 47329389729624 55217621351228 82826432026842 110435242702456 165652864053684 331305728107368