Base | Representation |
---|---|
bin | 11010101111100010… |
… | …000110000101000100 |
3 | 2202010011212122211012 |
4 | 122233202012011010 |
5 | 432301434114442 |
6 | 21105200501352 |
7 | 2034402246023 |
oct | 325742060504 |
9 | 82104778735 |
10 | 28714754372 |
11 | 111a5803a67 |
12 | 569461a858 |
13 | 2928024a25 |
14 | 15658888ba |
15 | b30da0582 |
hex | 6af886144 |
28714754372 has 6 divisors (see below), whose sum is σ = 50250820158. Its totient is φ = 14357377184.
The previous prime is 28714754357. The next prime is 28714754401. The reversal of 28714754372 is 27345741782.
It can be written as a sum of positive squares in only one way, i.e., 25630729216 + 3084025156 = 160096^2 + 55534^2 .
It is a super-2 number, since 2×287147543722 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 28714754372.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3589344293 + ... + 3589344300.
It is an arithmetic number, because the mean of its divisors is an integer number (8375136693).
Almost surely, 228714754372 is an apocalyptic number.
It is an amenable number.
28714754372 is a deficient number, since it is larger than the sum of its proper divisors (21536065786).
28714754372 is a wasteful number, since it uses less digits than its factorization.
28714754372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7178688597 (or 7178688595 counting only the distinct ones).
The product of its digits is 2634240, while the sum is 50.
The spelling of 28714754372 in words is "twenty-eight billion, seven hundred fourteen million, seven hundred fifty-four thousand, three hundred seventy-two".
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