Search a number
-
+
50612118865 = 57211101318539
BaseRepresentation
bin101111001000101101…
…111010010101010001
311211122020122000211221
4233020231322111101
51312123200300430
635130105205041
73441133624600
oct571055722521
9154566560757
1050612118865
111a512249010
129985a90781
134a0781c739
142641b4da37
1514b34a857a
hexbc8b7a551

50612118865 has 48 divisors (see below), whose sum is σ = 77153394240. Its totient is φ = 31517566080.

The previous prime is 50612118859. The next prime is 50612118913. The reversal of 50612118865 is 56881121605.

It is not a de Polignac number, because 50612118865 - 211 = 50612116817 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2720766 + ... + 2739304.

It is an arithmetic number, because the mean of its divisors is an integer number (1607362380).

Almost surely, 250612118865 is an apocalyptic number.

50612118865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50612118865 is a deficient number, since it is larger than the sum of its proper divisors (26541275375).

50612118865 is a wasteful number, since it uses less digits than its factorization.

50612118865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19582 (or 19575 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 43.

The spelling of 50612118865 in words is "fifty billion, six hundred twelve million, one hundred eighteen thousand, eight hundred sixty-five".

Divisors: 1 5 7 11 35 49 55 77 245 385 539 1013 2695 5065 7091 11143 18539 35455 49637 55715 78001 92695 129773 203929 248185 390005 546007 648865 908411 1019645 1427503 2730035 4542055 7137515 9992521 18780007 49962605 93900035 131460049 206580077 657300245 920220343 1032900385 1446060539 4601101715 7230302695 10122423773 50612118865