Base | Representation |
---|---|
bin | 11010010110110100… |
… | …100011001110010110 |
3 | 2201001021202011221000 |
4 | 122112310203032112 |
5 | 430424320140232 |
6 | 21000110404130 |
7 | 2021206256523 |
oct | 322664431626 |
9 | 81037664830 |
10 | 28300161942 |
11 | 11002781598 |
12 | 5599800646 |
13 | 2890174470 |
14 | 15267a614a |
15 | b097a827c |
hex | 696d23396 |
28300161942 has 64 divisors (see below), whose sum is σ = 68584320000. Its totient is φ = 8597500704.
The previous prime is 28300161881. The next prime is 28300161979. The reversal of 28300161942 is 24916100382.
28300161942 is a `hidden beast` number, since 2 + 8 + 30 + 0 + 1 + 619 + 4 + 2 = 666.
It is a super-2 number, since 2×283001619422 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28300161897 and 28300161906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199692 + ... + 310607.
It is an arithmetic number, because the mean of its divisors is an integer number (1071630000).
Almost surely, 228300161942 is an apocalyptic number.
28300161942 is an abundant number, since it is smaller than the sum of its proper divisors (40284158058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28300161942 is a wasteful number, since it uses less digits than its factorization.
28300161942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 510402 (or 510396 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The spelling of 28300161942 in words is "twenty-eight billion, three hundred million, one hundred sixty-one thousand, nine hundred forty-two".
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