Base | Representation |
---|---|
bin | 11010101111011111… |
… | …111100111000101001 |
3 | 2202010010211002222100 |
4 | 122233133330320221 |
5 | 432301313124200 |
6 | 21105140444013 |
7 | 2034364415502 |
oct | 325737747051 |
9 | 82103732870 |
10 | 28714192425 |
11 | 111a545a846 |
12 | 56943a9609 |
13 | 2927b89009 |
14 | 156577dba9 |
15 | b30cddd00 |
hex | 6af7fce29 |
28714192425 has 18 divisors (see below), whose sum is σ = 51430309502. Its totient is φ = 15314235840.
The previous prime is 28714192391. The next prime is 28714192433. The reversal of 28714192425 is 52429141782.
28714192425 is a `hidden beast` number, since 2 + 87 + 141 + 9 + 2 + 425 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 6264564201 + 22449628224 = 79149^2 + 149832^2 .
It is not a de Polignac number, because 28714192425 - 211 = 28714190377 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63809092 + ... + 63809541.
Almost surely, 228714192425 is an apocalyptic number.
28714192425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
28714192425 is a deficient number, since it is larger than the sum of its proper divisors (22716117077).
28714192425 is a wasteful number, since it uses less digits than its factorization.
28714192425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127618649 (or 127618641 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The spelling of 28714192425 in words is "twenty-eight billion, seven hundred fourteen million, one hundred ninety-two thousand, four hundred twenty-five".
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