Base | Representation |
---|---|
bin | 11101010001010011000100… |
… | …11011000010011000011100 |
3 | 22102220022222101021100111110 |
4 | 32220221202123002120130 |
5 | 31414033112433341133 |
6 | 344521202502222020 |
7 | 16362202153416330 |
oct | 1650514233023034 |
9 | 272808871240443 |
10 | 64366031152668 |
11 | 19566531626323 |
12 | 7276699724910 |
13 | 29bb8c95b829b |
14 | 11c74926697c0 |
15 | 7694951acc63 |
hex | 3a8a626c261c |
64366031152668 has 48 divisors (see below), whose sum is σ = 171643259579904. Its totient is φ = 18390239989440.
The previous prime is 64366031152651. The next prime is 64366031152681. The reversal of 64366031152668 is 86625113066346.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33575158 + ... + 35440418.
It is an arithmetic number, because the mean of its divisors is an integer number (3575901241248).
Almost surely, 264366031152668 is an apocalyptic number.
It is an amenable number.
64366031152668 is an abundant number, since it is smaller than the sum of its proper divisors (107277228427236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64366031152668 is a wasteful number, since it uses less digits than its factorization.
64366031152668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2276082 (or 2276080 counting only the distinct ones).
The product of its (nonzero) digits is 22394880, while the sum is 57.
The spelling of 64366031152668 in words is "sixty-four trillion, three hundred sixty-six billion, thirty-one million, one hundred fifty-two thousand, six hundred sixty-eight".
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