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51106890308 = 2219799384131
BaseRepresentation
bin101111100110001101…
…010100001001000100
311212220201122000200012
4233212031110021010
51314131330442213
635251142005352
73456322254125
oct574615241104
9155821560605
1051106890308
111a746564131
129aa3716858
134a861939c6
14268b74404c
1514e1b3c4a8
hexbe6354244

51106890308 has 24 divisors (see below), whose sum is σ = 94157169120. Its totient is φ = 24205210560.

The previous prime is 51106890299. The next prime is 51106890311. The reversal of 51106890308 is 80309860115.

It is a super-2 number, since 2×511068903082 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565403 + ... + 649533.

It is an arithmetic number, because the mean of its divisors is an integer number (3923215380).

Almost surely, 251106890308 is an apocalyptic number.

It is an amenable number.

51106890308 is a deficient number, since it is larger than the sum of its proper divisors (43050278812).

51106890308 is a wasteful number, since it uses less digits than its factorization.

51106890308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92147 (or 92145 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 51106890308 in words is "fifty-one billion, one hundred six million, eight hundred ninety thousand, three hundred eight".

Divisors: 1 2 4 19 38 76 7993 15986 31972 84131 151867 168262 303734 336524 607468 1598489 3196978 6393956 672459083 1344918166 2689836332 12776722577 25553445154 51106890308