Search a number
-
+
51089107074 = 2317947569001
BaseRepresentation
bin101111100101001001…
…011110100010000010
311212212111011112122220
4233211021132202002
51314112302411244
635245304511510
73456015150015
oct574511364202
9155774145586
1051089107074
111a737518345
129a9977b596
134a825a8595
14268923537c
1514e02c8319
hexbe525e882

51089107074 has 16 divisors (see below), whose sum is σ = 102749044320. Its totient is φ = 16934564000.

The previous prime is 51089107033. The next prime is 51089107109. The reversal of 51089107074 is 47070198015.

It is a super-2 number, since 2×510891070742 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 23783427 + ... + 23785574.

It is an arithmetic number, because the mean of its divisors is an integer number (6421815270).

Almost surely, 251089107074 is an apocalyptic number.

51089107074 is an abundant number, since it is smaller than the sum of its proper divisors (51659937246).

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

51089107074 is a wasteful number, since it uses less digits than its factorization.

51089107074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47569185.

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 51089107074 in words is "fifty-one billion, eighty-nine million, one hundred seven thousand, seventy-four".

Divisors: 1 2 3 6 179 358 537 1074 47569001 95138002 142707003 285414006 8514851179 17029702358 25544553537 51089107074