Base | Representation |
---|---|
bin | 100100000000010100… |
… | …101001100110101101 |
3 | 10200210021211112020200 |
4 | 210000110221212231 |
5 | 1113133442301312 |
6 | 25432112304113 |
7 | 2536014406035 |
oct | 440024514655 |
9 | 120707745220 |
10 | 38660118957 |
11 | 154396a1639 |
12 | 75ab242039 |
13 | 38515c2c45 |
14 | 1c2a6688c5 |
15 | 101406a0dc |
hex | 9005299ad |
38660118957 has 24 divisors (see below), whose sum is σ = 58790940000. Its totient is φ = 24412982688.
The previous prime is 38660118949. The next prime is 38660118977. The reversal of 38660118957 is 75981106683.
38660118957 is a `hidden beast` number, since 386 + 60 + 118 + 95 + 7 = 666.
It is not a de Polignac number, because 38660118957 - 23 = 38660118949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38660118947) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1342294 + ... + 1370792.
It is an arithmetic number, because the mean of its divisors is an integer number (2449622500).
Almost surely, 238660118957 is an apocalyptic number.
It is an amenable number.
38660118957 is a deficient number, since it is larger than the sum of its proper divisors (20130821043).
38660118957 is a wasteful number, since it uses less digits than its factorization.
38660118957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36457 (or 36454 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 54.
The spelling of 38660118957 in words is "thirty-eight billion, six hundred sixty million, one hundred eighteen thousand, nine hundred fifty-seven".
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