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51106055106 = 23192023122159
BaseRepresentation
bin101111100110001010…
…001000001111000010
311212220200001120222210
4233212022020033002
51314131122230411
635251112042550
73456312205131
oct574612101702
9155820046883
1051106055106
111a746043687
129aa3393456
134a85c607c2
14268b5a7918
1514e1a24ca6
hexbe62883c2

51106055106 has 32 divisors (see below), whose sum is σ = 107601868800. Its totient is φ = 16137228240.

The previous prime is 51106055093. The next prime is 51106055137. The reversal of 51106055106 is 60155060115.

It is a super-2 number, since 2×511060551062 (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 15 ways as a sum of consecutive naturals, for example, 2295255 + ... + 2317413.

It is an arithmetic number, because the mean of its divisors is an integer number (3362558400).

Almost surely, 251106055106 is an apocalyptic number.

51106055106 is an abundant number, since it is smaller than the sum of its proper divisors (56495813694).

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

51106055106 is a wasteful number, since it uses less digits than its factorization.

51106055106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42414.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 51106055106 in words is "fifty-one billion, one hundred six million, fifty-five thousand, one hundred six".

Divisors: 1 2 3 6 19 38 57 114 20231 22159 40462 44318 60693 66477 121386 132954 384389 421021 768778 842042 1153167 1263063 2306334 2526126 448298729 896597458 1344896187 2689792374 8517675851 17035351702 25553027553 51106055106