Base | Representation |
---|---|
bin | 100011101110010001… |
… | …000010011110111001 |
3 | 10200000011210202101221 |
4 | 203232101002132321 |
5 | 1112023414314033 |
6 | 25342051312041 |
7 | 2525345446045 |
oct | 435621023671 |
9 | 120004722357 |
10 | 38357182393 |
11 | 152a36a1942 |
12 | 75258ab621 |
13 | 380390763a |
14 | 1bdc32d025 |
15 | ee767b12d |
hex | 8ee4427b9 |
38357182393 has 4 divisors (see below), whose sum is σ = 38359859200. Its totient is φ = 38354505588.
The previous prime is 38357182379. The next prime is 38357182403. The reversal of 38357182393 is 39328175383.
38357182393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 38357182393 - 217 = 38357051321 is a prime.
It is a super-2 number, since 2×383571823932 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38357182393.
It is not an unprimeable number, because it can be changed into a prime (38357182333) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316793 + ... + 1345606.
It is an arithmetic number, because the mean of its divisors is an integer number (9589964800).
Almost surely, 238357182393 is an apocalyptic number.
It is an amenable number.
38357182393 is a deficient number, since it is larger than the sum of its proper divisors (2676807).
38357182393 is a wasteful number, since it uses less digits than its factorization.
38357182393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2676806.
The product of its digits is 3265920, while the sum is 52.
The spelling of 38357182393 in words is "thirty-eight billion, three hundred fifty-seven million, one hundred eighty-two thousand, three hundred ninety-three".
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