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15047142612 = 22317202736389
BaseRepresentation
bin11100000001110000…
…10010110011010100
31102211122212001012020
432000320102303110
5221304032030422
610525040253140
71041611413305
oct160070226324
942748761166
1015047142612
1164217a0a57
122abb3111b0
13155a5439a8
14a2a5b67ac
155d102795c
hex380e12cd4

15047142612 has 48 divisors (see below), whose sum is σ = 37194655680. Its totient is φ = 4718213632.

The previous prime is 15047142599. The next prime is 15047142613. The reversal of 15047142612 is 21624174051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15047142613) 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, 395314 + ... + 431702.

It is an arithmetic number, because the mean of its divisors is an integer number (774888660).

Almost surely, 215047142612 is an apocalyptic number.

15047142612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15047142612 is an abundant number, since it is smaller than the sum of its proper divisors (22147513068).

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

15047142612 is a wasteful number, since it uses less digits than its factorization.

15047142612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38440 (or 38438 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 15047142612 in words is "fifteen billion, forty-seven million, one hundred forty-two thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 2027 4054 6081 8108 12162 24324 34459 36389 68918 72778 103377 109167 137836 145556 206754 218334 413508 436668 618613 1237226 1855839 2474452 3711678 7423356 73760503 147521006 221281509 295042012 442563018 885126036 1253928551 2507857102 3761785653 5015714204 7523571306 15047142612