Base | Representation |
---|---|
bin | 11011111101100110… |
… | …10100111010001000 |
3 | 1102202020021011000212 |
4 | 31332303110322020 |
5 | 221221121123323 |
6 | 10521353220252 |
7 | 1041006216632 |
oct | 157663247210 |
9 | 42666234025 |
10 | 15012286088 |
11 | 6404053808 |
12 | 2aab701688 |
13 | 155325b327 |
14 | a25b01a52 |
15 | 5cce3eb78 |
hex | 37ecd4e88 |
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".
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