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31380056730404 = 2220049533912817
BaseRepresentation
bin1110010001010001111010…
…01000100110101100100100
311010002220102002220111012022
413020220331020212230210
513103112324010333104
6150423444332242312
76416064026141144
oct710507510465444
9133086362814168
1031380056730404
119aa9230a47758
1236297b9610398
131468185342185
147a6b3503a924
15396402176bbe
hex1c8a3d226b24

31380056730404 has 12 divisors (see below), whose sum is σ = 54915140702604. Its totient is φ = 15690016529664.

The previous prime is 31380056730383. The next prime is 31380056730457. The reversal of 31380056730404 is 40403765008313.

It can be written as a sum of positive squares in 2 ways, for example, as 8244937960000 + 23135118770404 = 2871400^2 + 4809898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6063404 + ... + 9976220.

It is an arithmetic number, because the mean of its divisors is an integer number (4576261725217).

Almost surely, 231380056730404 is an apocalyptic number.

It is an amenable number.

31380056730404 is a deficient number, since it is larger than the sum of its proper divisors (23535083972200).

31380056730404 is a wasteful number, since it uses less digits than its factorization.

31380056730404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917774 (or 5917772 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 31380056730404 in words is "thirty-one trillion, three hundred eighty billion, fifty-six million, seven hundred thirty thousand, four hundred four".

Divisors: 1 2 4 2004953 3912817 4009906 7825634 8019812 15651268 7845014182601 15690028365202 31380056730404