Search a number
-
+
51106105608 = 23319112074793
BaseRepresentation
bin101111100110001010…
…010100100100001000
311212220200011011021020
4233212022110210020
51314131130334413
635251113112440
73456312505305
oct574612244410
9155820134236
1051106105608
111a746078618
129aa33b8720
134a85c7a79c
14268b5bc0ac
1514e1a34c23
hexbe6294908

51106105608 has 32 divisors (see below), whose sum is σ = 134489752800. Its totient is φ = 16138770048.

The previous prime is 51106105577. The next prime is 51106105613. The reversal of 51106105608 is 80650160115.

It is a super-2 number, since 2×511061056082 (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, 56036941 + ... + 56037852.

It is an arithmetic number, because the mean of its divisors is an integer number (4202804775).

Almost surely, 251106105608 is an apocalyptic number.

It is an amenable number.

51106105608 is an abundant number, since it is smaller than the sum of its proper divisors (83383647192).

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

51106105608 is a wasteful number, since it uses less digits than its factorization.

51106105608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112074821 (or 112074817 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 51106105608 in words is "fifty-one billion, one hundred six million, one hundred five thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 112074793 224149586 336224379 448299172 672448758 896598344 1344897516 2129421067 2689795032 4258842134 6388263201 8517684268 12776526402 17035368536 25553052804 51106105608