Base | Representation |
---|---|
bin | 11010100011100110… |
… | …011101001011000100 |
3 | 2201121020012021210022 |
4 | 122203212131023010 |
5 | 431344212232243 |
6 | 21033250114312 |
7 | 2026421565623 |
oct | 324346351304 |
9 | 81536167708 |
10 | 28514570948 |
11 | 11102806216 |
12 | 563957b998 |
13 | 28c57050b6 |
14 | 15470596ba |
15 | b1d50bb68 |
hex | 6a399d2c4 |
28514570948 has 12 divisors (see below), whose sum is σ = 52526841360. Its totient is φ = 13506901992.
The previous prime is 28514570911. The next prime is 28514570957. The reversal of 28514570948 is 84907541582.
It is a self number, because there is not a number n which added to its sum of digits gives 28514570948.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187595786 + ... + 187595937.
It is an arithmetic number, because the mean of its divisors is an integer number (4377236780).
Almost surely, 228514570948 is an apocalyptic number.
It is an amenable number.
28514570948 is a deficient number, since it is larger than the sum of its proper divisors (24012270412).
28514570948 is a wasteful number, since it uses less digits than its factorization.
28514570948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375191746 (or 375191744 counting only the distinct ones).
The product of its (nonzero) digits is 3225600, while the sum is 53.
The spelling of 28514570948 in words is "twenty-eight billion, five hundred fourteen million, five hundred seventy thousand, nine hundred forty-eight".
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