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15120320005 = 5729116312809
BaseRepresentation
bin11100001010011110…
…11100011000000101
31110000202112211201001
432011033130120011
5221431300220010
610540212533301
71043460412420
oct160517343005
943022484631
1015120320005
11645a03223a
122b1b921231
13156c75581b
14a361c49b7
155d767ec3a
hex3853dc605

15120320005 has 32 divisors (see below), whose sum is σ = 21471609600. Its totient is φ = 10001306112.

The previous prime is 15120319999. The next prime is 15120320027. The reversal of 15120320005 is 50002302151.

It is not a de Polignac number, because 15120320005 - 29 = 15120319493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1174041 + ... + 1186849.

It is an arithmetic number, because the mean of its divisors is an integer number (670987800).

Almost surely, 215120320005 is an apocalyptic number.

It is an amenable number.

15120320005 is a deficient number, since it is larger than the sum of its proper divisors (6351289595).

15120320005 is a wasteful number, since it uses less digits than its factorization.

15120320005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14013.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 15120320005 its reverse (50002302151), we get a palindrome (65122622156).

The spelling of 15120320005 in words is "fifteen billion, one hundred twenty million, three hundred twenty thousand, five".

Divisors: 1 5 7 29 35 145 203 1015 1163 5815 8141 12809 33727 40705 64045 89663 168635 236089 371461 448315 1180445 1857305 2600227 13001135 14896867 74484335 104278069 432009143 521390345 2160045715 3024064001 15120320005