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51104510551 = 241745928429
BaseRepresentation
bin101111100110000100…
…001111001001010111
311212220120011010021001
4233212010033021113
51314130223314201
635251015004131
73456263113063
oct574604171127
9155816133231
1051104510551
111a745189196
129aa2969647
134a8583c773
14268b2c4aa3
1514e181c301
hexbe610f257

51104510551 has 8 divisors (see below), whose sum is σ = 51325247600. Its totient is φ = 50883845760.

The previous prime is 51104510533. The next prime is 51104510603. The reversal of 51104510551 is 15501540115.

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 51104510551 - 213 = 51104502359 is a prime.

It is a super-2 number, since 2×511045105512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104510531) 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, 1783405 + ... + 1811833.

It is an arithmetic number, because the mean of its divisors is an integer number (6415655950).

Almost surely, 251104510551 is an apocalyptic number.

51104510551 is a deficient number, since it is larger than the sum of its proper divisors (220737049).

51104510551 is a wasteful number, since it uses less digits than its factorization.

51104510551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36129.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 51104510551 in words is "fifty-one billion, one hundred four million, five hundred ten thousand, five hundred fifty-one".

Divisors: 1 241 7459 28429 1797619 6851389 212051911 51104510551