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51104550131 = 224324479311
BaseRepresentation
bin101111100110000100…
…011000110011110011
311212220120020010112222
4233212010120303303
51314130231101011
635251015511255
73456263336345
oct574604306363
9155816203488
1051104550131
111a7452059a8
129aa298852b
134a8585479b
14268b2d5295
1514e1828ddb
hexbe6118cf3

51104550131 has 8 divisors (see below), whose sum is σ = 51153721344. Its totient is φ = 51055406920.

The previous prime is 51104550127. The next prime is 51104550137. The reversal of 51104550131 is 13105540115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51104550131 - 22 = 51104550127 is a prime.

It is a super-2 number, since 2×511045501312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51104550131.

It is not an unprimeable number, because it can be changed into a prime (51104550137) 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, 5483966 + ... + 5493276.

It is an arithmetic number, because the mean of its divisors is an integer number (6394215168).

Almost surely, 251104550131 is an apocalyptic number.

51104550131 is a deficient number, since it is larger than the sum of its proper divisors (49171213).

51104550131 is a wasteful number, since it uses less digits than its factorization.

51104550131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14001.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 51104550131 in words is "fifty-one billion, one hundred four million, five hundred fifty thousand, one hundred thirty-one".

Divisors: 1 2243 2447 9311 5488621 20884573 22784017 51104550131