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31018595010244 = 227754648752561
BaseRepresentation
bin1110000110110000101000…
…10101100100011011000100
311001211100102012220120121021
413003120110111210123010
513031202040310311434
6145545425033200524
76351006462205132
oct703302425443304
9131740365816537
1031018595010244
119979a04259406
12358b740860144
13144006bca7a1a
14793445268752
1538bce8c7ccb4
hex1c36145646c4

31018595010244 has 6 divisors (see below), whose sum is σ = 54282541267934. Its totient is φ = 15509297505120.

The previous prime is 31018595010103. The next prime is 31018595010313. The reversal of 31018595010244 is 44201059581013.

It can be written as a sum of positive squares in only one way, i.e., 24100853384644 + 6917741625600 = 4909262^2 + 2630160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31018595010244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3877324376277 + ... + 3877324376284.

Almost surely, 231018595010244 is an apocalyptic number.

It is an amenable number.

31018595010244 is a deficient number, since it is larger than the sum of its proper divisors (23263946257690).

31018595010244 is a wasteful number, since it uses less digits than its factorization.

31018595010244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7754648752565 (or 7754648752563 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 31018595010244 in words is "thirty-one trillion, eighteen billion, five hundred ninety-five million, ten thousand, two hundred forty-four".

Divisors: 1 2 4 7754648752561 15509297505122 31018595010244