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51108910424 = 23111344675621
BaseRepresentation
bin101111100110010101…
…000001010101011000
311212220212102122202022
4233212111001111120
51314132340113144
635251253154012
73456345366515
oct574625012530
9155825378668
1051108910424
111a747713950
129aa432b908
134a86720340
14268bb0c30c
1514e1ddacee
hexbe6541558

51108910424 has 32 divisors (see below), whose sum is σ = 112582567440. Its totient is φ = 21444297600.

The previous prime is 51108910423. The next prime is 51108910477. The reversal of 51108910424 is 42401980115.

It is a super-2 number, since 2×511089104242 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51108910423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22336667 + ... + 22338954.

Almost surely, 251108910424 is an apocalyptic number.

It is an amenable number.

51108910424 is an abundant number, since it is smaller than the sum of its proper divisors (61473657016).

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

51108910424 is a wasteful number, since it uses less digits than its factorization.

51108910424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44675651 (or 44675647 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 51108910424 in words is "fifty-one billion, one hundred eight million, nine hundred ten thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 44675621 89351242 178702484 357404968 491431831 580783073 982863662 1161566146 1965727324 2323132292 3931454648 4646264584 6388613803 12777227606 25554455212 51108910424