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15012286088 = 23433192
BaseRepresentation
bin11011111101100110…
…10100111010001000
31102202020021011000212
431332303110322020
5221221121123323
610521353220252
71041006216632
oct157663247210
942666234025
1015012286088
116404053808
122aab701688
13155325b327
14a25b01a52
155cce3eb78
hex37ecd4e88

15012286088 has 12 divisors (see below), whose sum is σ = 28148686215. Its totient is φ = 7505969768.

The previous prime is 15012285971. The next prime is 15012286109. The reversal of 15012286088 is 88068221051.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 7506143044 + 7506143044 = 86638^2 + 86638^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=86638.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 324893 + ... + 368211.

Almost surely, 215012286088 is an apocalyptic number.

It is an amenable number.

15012286088 is a deficient number, since it is larger than the sum of its proper divisors (13136400127).

15012286088 is an frugal number, since it uses more digits than its factorization.

15012286088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86644 (or 43321 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 15012286088 in words is "fifteen billion, twelve million, two hundred eighty-six thousand, eighty-eight".

Divisors: 1 2 4 8 43319 86638 173276 346552 1876535761 3753071522 7506143044 15012286088