Base | Representation |
---|---|
bin | 100100000001101010… |
… | …001110001010000111 |
3 | 10200211212001012010002 |
4 | 210001222032022013 |
5 | 1113210213112134 |
6 | 25434233151515 |
7 | 2536406154245 |
oct | 440152161207 |
9 | 120755035102 |
10 | 38682550919 |
11 | 15450323051 |
12 | 75b685b59b |
13 | 38561482ac |
14 | 1c2d627795 |
15 | 1015eeb87e |
hex | 901a8e287 |
38682550919 has 4 divisors (see below), whose sum is σ = 39316691160. Its totient is φ = 38048410680.
The previous prime is 38682550849. The next prime is 38682550937. The reversal of 38682550919 is 91905528683.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38682550919 - 232 = 34387583623 is a prime.
It is a super-2 number, since 2×386825509192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38682550939) 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, 317070029 + ... + 317070150.
It is an arithmetic number, because the mean of its divisors is an integer number (9829172790).
Almost surely, 238682550919 is an apocalyptic number.
38682550919 is a deficient number, since it is larger than the sum of its proper divisors (634140241).
38682550919 is an equidigital number, since it uses as much as digits as its factorization.
38682550919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 634140240.
The product of its (nonzero) digits is 4665600, while the sum is 56.
The spelling of 38682550919 in words is "thirty-eight billion, six hundred eighty-two million, five hundred fifty thousand, nine hundred nineteen".
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