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51431550024 = 2332142981251
BaseRepresentation
bin101111111001100011…
…110010110001001000
311220202100112110002010
4233321203302301020
51320312434100044
635343300335520
73500343650661
oct577143626110
9156670473063
1051431550024
111a8a2850848
129b743a45a0
134b08516b4a
1426bc8d6368
1515103bcbb9
hexbf98f2c48

51431550024 has 16 divisors (see below), whose sum is σ = 128578875120. Its totient is φ = 17143850000.

The previous prime is 51431549993. The next prime is 51431550031. The reversal of 51431550024 is 42005513415.

It is a super-3 number, since 3×514315500243 (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51431549973 and 51431550000.

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 in 3 ways as a sum of consecutive naturals, for example, 1071490602 + ... + 1071490649.

It is an arithmetic number, because the mean of its divisors is an integer number (8036179695).

Almost surely, 251431550024 is an apocalyptic number.

It is an amenable number.

51431550024 is an abundant number, since it is smaller than the sum of its proper divisors (77147325096).

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

51431550024 is a wasteful number, since it uses less digits than its factorization.

51431550024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142981260 (or 2142981256 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 51431550024 in words is "fifty-one billion, four hundred thirty-one million, five hundred fifty thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 24 2142981251 4285962502 6428943753 8571925004 12857887506 17143850008 25715775012 51431550024