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12431160055264 = 251942283483551
BaseRepresentation
bin1011010011100101101011…
…1000010001010111100000
31122000101222220210021211011
42310321122320101113200
53112133003433232024
642234443542230304
72422056510012466
oct264713270212740
948011886707734
1012431160055264
113a63030853995
1214892aa425394
136c233a83cb42
1430d9582bc836
1516856a1dd094
hexb4e5ae115e0

12431160055264 has 48 divisors (see below), whose sum is σ = 25762606087680. Its totient is φ = 5888292796800.

The previous prime is 12431160055241. The next prime is 12431160055271. The reversal of 12431160055264 is 46255006113421.

It is a congruent 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, 25466289 + ... + 25949839.

It is an arithmetic number, because the mean of its divisors is an integer number (536720960160).

Almost surely, 212431160055264 is an apocalyptic number.

It is an amenable number.

12431160055264 is an abundant number, since it is smaller than the sum of its proper divisors (13331446032416).

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

12431160055264 is a wasteful number, since it uses less digits than its factorization.

12431160055264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525863 (or 525855 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 12431160055264 its reverse (46255006113421), we get a palindrome (58686166168685).

The spelling of 12431160055264 in words is "twelve trillion, four hundred thirty-one billion, one hundred sixty million, fifty-five thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 42283 84566 169132 338264 483551 676528 803377 967102 1353056 1606754 1934204 3213508 3868408 6427016 7736816 9187469 12854032 15473632 18374938 25708064 36749876 73499752 146999504 293999008 20445986933 40891973866 81783947732 163567895464 327135790928 388473751727 654271581856 776947503454 1553895006908 3107790013816 6215580027632 12431160055264