Base | Representation |
---|---|
bin | 110100110110110101… |
… | …111010110111100111 |
3 | 12102111022221102122012 |
4 | 310312311322313213 |
5 | 1412213144214041 |
6 | 42023413424435 |
7 | 4046301546143 |
oct | 646665726747 |
9 | 172438842565 |
10 | 56754679271 |
11 | 2208459a614 |
12 | abbb03b11b |
13 | 54762b1074 |
14 | 2a6586c223 |
15 | 17228a13eb |
hex | d36d7ade7 |
56754679271 has 4 divisors (see below), whose sum is σ = 56775616944. Its totient is φ = 56733741600.
The previous prime is 56754679237. The next prime is 56754679283. The reversal of 56754679271 is 17297645765.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-56754679271 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 56754679271.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56754679211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10464770 + ... + 10470191.
It is an arithmetic number, because the mean of its divisors is an integer number (14193904236).
Almost surely, 256754679271 is an apocalyptic number.
56754679271 is a deficient number, since it is larger than the sum of its proper divisors (20937673).
56754679271 is a wasteful number, since it uses less digits than its factorization.
56754679271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20937672.
The product of its digits is 22226400, while the sum is 59.
The spelling of 56754679271 in words is "fifty-six billion, seven hundred fifty-four million, six hundred seventy-nine thousand, two hundred seventy-one".
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