Search a number
-
+
50679788172 = 223131312479927
BaseRepresentation
bin101111001100110000…
…000011001010001100
311211210221221222200120
4233030300003022030
51312243011210142
635140523424540
73442615043316
oct571460031214
9154727858616
1050679788172
111a547467a62
1299a4685150
134a18853450
14264ab267b6
1514b93c37ec
hexbccc0328c

50679788172 has 48 divisors (see below), whose sum is σ = 128321394432. Its totient is φ = 15474738240.

The previous prime is 50679788167. The next prime is 50679788191. The reversal of 50679788172 is 27188797605.

It is a super-2 number, since 2×506797881722 (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, 1219528 + ... + 1260399.

It is an arithmetic number, because the mean of its divisors is an integer number (2673362384).

Almost surely, 250679788172 is an apocalyptic number.

50679788172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50679788172 is an abundant number, since it is smaller than the sum of its proper divisors (77641606260).

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

50679788172 is a wasteful number, since it uses less digits than its factorization.

50679788172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480078 (or 2480076 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 60.

The spelling of 50679788172 in words is "fifty billion, six hundred seventy-nine million, seven hundred eighty-eight thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 131 156 262 393 524 786 1572 1703 3406 5109 6812 10218 20436 2479927 4959854 7439781 9919708 14879562 29759124 32239051 64478102 96717153 128956204 193434306 324870437 386868612 649740874 974611311 1299481748 1949222622 3898445244 4223315681 8446631362 12669947043 16893262724 25339894086 50679788172