Search a number
-
+
15132157236 = 223572224009
BaseRepresentation
bin11100001011111001…
…00110010100110100
31110001120211020100000
432011330212110310
5221442313012421
610541314351300
71043663133330
oct160574462464
943046736300
1015132157236
116465787779
122b2388b530
13157203b6c1
14a379c67c0
155d871c226
hex385f26534

15132157236 has 72 divisors (see below), whose sum is σ = 45334219840. Its totient is φ = 4323471552.

The previous prime is 15132157223. The next prime is 15132157247. The reversal of 15132157236 is 63275123151.

15132157236 is a `hidden beast` number, since 1 + 51 + 3 + 2 + 1 + 572 + 36 = 666.

15132157236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 15132157236.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1105201 + ... + 1118808.

Almost surely, 215132157236 is an apocalyptic number.

It is an amenable number.

15132157236 is an abundant number, since it is smaller than the sum of its proper divisors (30202062604).

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

15132157236 is a wasteful number, since it uses less digits than its factorization.

15132157236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224035 (or 2224021 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The spelling of 15132157236 in words is "fifteen billion, one hundred thirty-two million, one hundred fifty-seven thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 243 252 324 378 486 567 756 972 1134 1701 2268 3402 6804 2224009 4448018 6672027 8896036 13344054 15568063 20016081 26688108 31136126 40032162 46704189 60048243 62272252 80064324 93408378 120096486 140112567 180144729 186816756 240192972 280225134 360289458 420337701 540434187 560450268 720578916 840675402 1080868374 1261013103 1681350804 2161736748 2522026206 3783039309 5044052412 7566078618 15132157236