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15305455009 = 136791119289
BaseRepresentation
bin11100100000100011…
…01011010110100001
31110111122220200012001
432100101223112201
5222321144030014
611010425004001
71051166135545
oct162021532641
943448820161
1015305455009
116544591979
122b71923601
13159bc06a70
14a52a17a25
155e8a4e974
hex39046b5a1

15305455009 has 16 divisors (see below), whose sum is σ = 16748040960. Its totient is φ = 13901247360.

The previous prime is 15305455007. The next prime is 15305455027. The reversal of 15305455009 is 90055450351.

It is not a de Polignac number, because 15305455009 - 21 = 15305455007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15305455003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783837 + ... + 803125.

It is an arithmetic number, because the mean of its divisors is an integer number (1046752560).

Almost surely, 215305455009 is an apocalyptic number.

It is an amenable number.

15305455009 is a deficient number, since it is larger than the sum of its proper divisors (1442585951).

15305455009 is a wasteful number, since it uses less digits than its factorization.

15305455009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 15305455009 in words is "fifteen billion, three hundred five million, four hundred fifty-five thousand, nine".

Divisors: 1 13 67 871 911 11843 19289 61037 250757 793481 1292363 16800719 17572279 228439627 1177342693 15305455009