Base | Representation |
---|---|
bin | 110100011010101001… |
… | …110011101111010100 |
3 | 12101021101000202001210 |
4 | 310122221303233110 |
5 | 1410231111223132 |
6 | 41504441021420 |
7 | 4031466626136 |
oct | 643251635724 |
9 | 171241022053 |
10 | 56281742292 |
11 | 21961638006 |
12 | aaa8784870 |
13 | 53cc3131b9 |
14 | 2a1cb1d056 |
15 | 16e60d1bcc |
hex | d1aa73bd4 |
56281742292 has 12 divisors (see below), whose sum is σ = 131324065376. Its totient is φ = 18760580760.
The previous prime is 56281742281. The next prime is 56281742333. The reversal of 56281742292 is 29224718265.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345072584 + ... + 2345072607.
Almost surely, 256281742292 is an apocalyptic number.
It is an amenable number.
56281742292 is an abundant number, since it is smaller than the sum of its proper divisors (75042323084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56281742292 is a wasteful number, since it uses less digits than its factorization.
56281742292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4690145198 (or 4690145196 counting only the distinct ones).
The product of its digits is 967680, while the sum is 48.
The spelling of 56281742292 in words is "fifty-six billion, two hundred eighty-one million, seven hundred forty-two thousand, two hundred ninety-two".
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