Base | Representation |
---|---|
bin | 110101010010010110… |
… | …010100010101010100 |
3 | 12110200111021221002101 |
4 | 311102112110111110 |
5 | 1414134314011022 |
6 | 42141300451444 |
7 | 4063604211250 |
oct | 652226242524 |
9 | 173614257071 |
10 | 57216157012 |
11 | 222a1035683 |
12 | b1096a9b84 |
13 | 551aa99111 |
14 | 2aaac77260 |
15 | 174d15a627 |
hex | d52594554 |
57216157012 has 24 divisors (see below), whose sum is σ = 114556883840. Its totient is φ = 24494516640.
The previous prime is 57216157001. The next prime is 57216157013. The reversal of 57216157012 is 21075161275.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57216157013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086039 + ... + 1137502.
Almost surely, 257216157012 is an apocalyptic number.
It is an amenable number.
57216157012 is an abundant number, since it is smaller than the sum of its proper divisors (57340726828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57216157012 is a wasteful number, since it uses less digits than its factorization.
57216157012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2224471 (or 2224469 counting only the distinct ones).
The product of its (nonzero) digits is 29400, while the sum is 37.
The spelling of 57216157012 in words is "fifty-seven billion, two hundred sixteen million, one hundred fifty-seven thousand, twelve".
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