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31253140441415 = 5231063255659867
BaseRepresentation
bin1110001101100101100000…
…10101011000100101000111
311002122202211002111222211102
413012302300111120211013
513044022412423111130
6150245254451530315
76403651645366664
oct706626025304507
9132582732458742
1031253140441415
119a5a423014322
1236090995b999b
13145920a2b1419
147a0935328a6b
15392e74de0645
hex1c6cb0558947

31253140441415 has 16 divisors (see below), whose sum is σ = 39171182335488. Its totient is φ = 23892948436896.

The previous prime is 31253140441409. The next prime is 31253140441427. The reversal of 31253140441415 is 51414404135213.

It is a cyclic number.

It is not a de Polignac number, because 31253140441415 - 218 = 31253140179271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127707689 + ... + 127952178.

It is an arithmetic number, because the mean of its divisors is an integer number (2448198895968).

Almost surely, 231253140441415 is an apocalyptic number.

31253140441415 is a deficient number, since it is larger than the sum of its proper divisors (7918041894073).

31253140441415 is a wasteful number, since it uses less digits than its factorization.

31253140441415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255660958.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 31253140441415 its reverse (51414404135213), we get a palindrome (82667544576628).

The spelling of 31253140441415 in words is "thirty-one trillion, two hundred fifty-three billion, one hundred forty million, four hundred forty-one thousand, four hundred fifteen".

Divisors: 1 5 23 115 1063 5315 24449 122245 255659867 1278299335 5880176941 29400884705 271766438621 1358832193105 6250628088283 31253140441415