Base | Representation |
---|---|
bin | 11010101001011010… |
… | …010010101110111011 |
3 | 2201212000121112002100 |
4 | 122221122102232323 |
5 | 432044140431010 |
6 | 21051051234443 |
7 | 2032014243006 |
oct | 325132225673 |
9 | 81760545070 |
10 | 28612045755 |
11 | 11152832507 |
12 | 5666148a23 |
13 | 290c9733b7 |
14 | 1555d9053d |
15 | b26d632c0 |
hex | 6a9692bbb |
28612045755 has 96 divisors (see below), whose sum is σ = 55356575040. Its totient is φ = 13586227200.
The previous prime is 28612045739. The next prime is 28612045807. The reversal of 28612045755 is 55754021682.
28612045755 is a `hidden beast` number, since 28 + 6 + 120 + 457 + 55 = 666.
It is not a de Polignac number, because 28612045755 - 24 = 28612045739 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 28612045755.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15885855 + ... + 15887655.
It is an arithmetic number, because the mean of its divisors is an integer number (576630990).
Almost surely, 228612045755 is an apocalyptic number.
28612045755 is a deficient number, since it is larger than the sum of its proper divisors (26744529285).
28612045755 is a wasteful number, since it uses less digits than its factorization.
28612045755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2941 (or 2938 counting only the distinct ones).
The product of its (nonzero) digits is 672000, while the sum is 45.
The spelling of 28612045755 in words is "twenty-eight billion, six hundred twelve million, forty-five thousand, seven hundred fifty-five".
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