Base | Representation |
---|---|
bin | 1000110011101001111… |
… | …0011010110001010101 |
3 | 112110112200212200221100 |
4 | 2030322132122301111 |
5 | 4434333024022421 |
6 | 153301501140313 |
7 | 13634322332232 |
oct | 2147236326125 |
9 | 473480780840 |
10 | 151304907861 |
11 | 591937487a8 |
12 | 253a785a699 |
13 | 11363a152a3 |
14 | 7474bcc789 |
15 | 3e0843dc26 |
hex | 233a79ac55 |
151304907861 has 12 divisors (see below), whose sum is σ = 218876284588. Its totient is φ = 100720053504.
The previous prime is 151304907847. The next prime is 151304907953. The reversal of 151304907861 is 168709403151.
151304907861 is a `hidden beast` number, since 1 + 5 + 1 + 30 + 490 + 78 + 61 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 118607227236 + 32697680625 = 344394^2 + 180825^2 .
It is not a de Polignac number, because 151304907861 - 26 = 151304907797 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151304907361) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12484030 + ... + 12496143.
Almost surely, 2151304907861 is an apocalyptic number.
It is an amenable number.
151304907861 is a deficient number, since it is larger than the sum of its proper divisors (67571376727).
151304907861 is a wasteful number, since it uses less digits than its factorization.
151304907861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24980852 (or 24980849 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The spelling of 151304907861 in words is "one hundred fifty-one billion, three hundred four million, nine hundred seven thousand, eight hundred sixty-one".
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