Base | Representation |
---|---|
bin | 100100010001001001… |
… | …000100111000010100 |
3 | 10201111221210200121021 |
4 | 210101021010320110 |
5 | 1114223212010440 |
6 | 25520112330524 |
7 | 2546012032252 |
oct | 442111047024 |
9 | 121457720537 |
10 | 38942297620 |
11 | 15573a03646 |
12 | 7669843a44 |
13 | 3897bc1175 |
14 | 1c55d1d5d2 |
15 | 102dc0884a |
hex | 911244e14 |
38942297620 has 24 divisors (see below), whose sum is σ = 81788734944. Its totient is φ = 15575031456.
The previous prime is 38942297599. The next prime is 38942297623. The reversal of 38942297620 is 2679224983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38942297623) 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, 57567 + ... + 284953.
It is an arithmetic number, because the mean of its divisors is an integer number (3407863956).
Almost surely, 238942297620 is an apocalyptic number.
It is an amenable number.
38942297620 is an abundant number, since it is smaller than the sum of its proper divisors (42846437324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38942297620 is a wasteful number, since it uses less digits than its factorization.
38942297620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235959 (or 235957 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 52.
The spelling of 38942297620 in words is "thirty-eight billion, nine hundred forty-two million, two hundred ninety-seven thousand, six hundred twenty".
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