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51104626849 = 311337487607
BaseRepresentation
bin101111100110000100…
…101011100010100001
311212220120101000210101
4233212010223202201
51314130241024344
635251021302401
73456264106123
oct574604534241
9155816330711
1051104626849
111a745258601
129aa2a04a01
134a85880693
14268b315213
1514e18419d4
hexbe612b8a1

51104626849 has 8 divisors (see below), whose sum is σ = 51421189248. Its totient is φ = 50789040960.

The previous prime is 51104626843. The next prime is 51104626883. The reversal of 51104626849 is 94862640115.

It is a happy number.

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 51104626849 - 25 = 51104626817 is a prime.

It is a super-2 number, since 2×511046268492 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51104626799 and 51104626808.

It is not an unprimeable number, because it can be changed into a prime (51104626843) 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, 138997 + ... + 348610.

It is an arithmetic number, because the mean of its divisors is an integer number (6427648656).

Almost surely, 251104626849 is an apocalyptic number.

It is an amenable number.

51104626849 is a deficient number, since it is larger than the sum of its proper divisors (316562399).

51104626849 is a wasteful number, since it uses less digits than its factorization.

51104626849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488255.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 51104626849 in words is "fifty-one billion, one hundred four million, six hundred twenty-six thousand, eight hundred forty-nine".

Divisors: 1 311 337 104807 487607 151645777 164323559 51104626849