Base | Representation |
---|---|
bin | 100011101110010010… |
… | …110000000000010101 |
3 | 10200000012122112202220 |
4 | 203232102300000111 |
5 | 1112024023142442 |
6 | 25342105052553 |
7 | 2525352324660 |
oct | 435622600025 |
9 | 120005575686 |
10 | 38357630997 |
11 | 152a3978994 |
12 | 7525a87159 |
13 | 3803a3389a |
14 | 1bdc4086d7 |
15 | ee7718eec |
hex | 8ee4b0015 |
38357630997 has 32 divisors (see below), whose sum is σ = 59057639424. Its totient is φ = 21691800000.
The previous prime is 38357630989. The next prime is 38357631017. The reversal of 38357630997 is 79903675383.
It is not a de Polignac number, because 38357630997 - 23 = 38357630989 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38357630997.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38357630917) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804372 + ... + 850722.
It is an arithmetic number, because the mean of its divisors is an integer number (1845551232).
Almost surely, 238357630997 is an apocalyptic number.
It is an amenable number.
38357630997 is a deficient number, since it is larger than the sum of its proper divisors (20700008427).
38357630997 is a wasteful number, since it uses less digits than its factorization.
38357630997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46769.
The product of its (nonzero) digits is 25719120, while the sum is 60.
The spelling of 38357630997 in words is "thirty-eight billion, three hundred fifty-seven million, six hundred thirty thousand, nine hundred ninety-seven".
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