Search a number
-
+
74615512132 = 2275749463531
BaseRepresentation
bin100010101111101101…
…1100101110001000100
321010121002020202020101
41011133123211301010
52210303032342012
654140005213444
75251020250150
oct1053733456104
9233532222211
1074615512132
112970a569707
1212564701284
137061736415
14387b9d0060
151e1a919d57
hex115f6e5c44

74615512132 has 24 divisors (see below), whose sum is σ = 149257304000. Its totient is φ = 31972445280.

The previous prime is 74615512117. The next prime is 74615512163. The reversal of 74615512132 is 23121551647.

It is a junction number, because it is equal to n+sod(n) for n = 74615512091 and 74615512100.

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 7 ways as a sum of consecutive naturals, for example, 70794 + ... + 392737.

Almost surely, 274615512132 is an apocalyptic number.

It is an amenable number.

74615512132 is an abundant number, since it is smaller than the sum of its proper divisors (74641791868).

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

74615512132 is a wasteful number, since it uses less digits than its factorization.

74615512132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469291 (or 469289 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The spelling of 74615512132 in words is "seventy-four billion, six hundred fifteen million, five hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 5749 11498 22996 40243 80486 160972 463531 927062 1854124 3244717 6489434 12978868 2664839719 5329679438 10659358876 18653878033 37307756066 74615512132