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31590061492 = 22114801149543
BaseRepresentation
bin11101011010111010…
…100001010110110100
310000112120021101200111
4131122322201112310
51004144023431432
622302352352404
72165555043433
oct353272412664
9100476241614
1031590061492
1112440847840
126157545704
132c9592b2a2
1417596b311a
15c4d513347
hex75aea15b4

31590061492 has 24 divisors (see below), whose sum is σ = 60321264192. Its totient is φ = 14356032000.

The previous prime is 31590061483. The next prime is 31590061493. The reversal of 31590061492 is 29416009513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31590061493) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 136473 + ... + 286015.

It is an arithmetic number, because the mean of its divisors is an integer number (2513386008).

Almost surely, 231590061492 is an apocalyptic number.

It is an amenable number.

31590061492 is a deficient number, since it is larger than the sum of its proper divisors (28731202700).

31590061492 is a wasteful number, since it uses less digits than its factorization.

31590061492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154359 (or 154357 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 31590061492 in words is "thirty-one billion, five hundred ninety million, sixty-one thousand, four hundred ninety-two".

Divisors: 1 2 4 11 22 44 4801 9602 19204 52811 105622 149543 211244 299086 598172 1644973 3289946 6579892 717955943 1435911886 2871823772 7897515373 15795030746 31590061492