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15306124053 = 311242165631
BaseRepresentation
bin11100100000101000…
…01110101100010101
31110111201011122221110
432100110032230111
5222321331432203
611010451205233
71051204623243
oct162024165425
943451148843
1015306124053
1165449a9600
122b71ba6819
13159c0ac44c
14a52b4d793
155e8b32d03
hex39050eb15

15306124053 has 12 divisors (see below), whose sum is σ = 22432116224. Its totient is φ = 9276438600.

The previous prime is 15306124033. The next prime is 15306124069. The reversal of 15306124053 is 35042160351.

It is not a de Polignac number, because 15306124053 - 221 = 15304026901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15306124053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15306124003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21082453 + ... + 21083178.

Almost surely, 215306124053 is an apocalyptic number.

It is an amenable number.

15306124053 is a deficient number, since it is larger than the sum of its proper divisors (7125992171).

15306124053 is a wasteful number, since it uses less digits than its factorization.

15306124053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42165656 (or 42165645 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 15306124053 in words is "fifteen billion, three hundred six million, one hundred twenty-four thousand, fifty-three".

Divisors: 1 3 11 33 121 363 42165631 126496893 463821941 1391465823 5102041351 15306124053