Base | Representation |
---|---|
bin | 100011100101000000… |
… | …001011111111010011 |
3 | 10122121100100222121010 |
4 | 203211000023333103 |
5 | 1111214123114224 |
6 | 25314420302003 |
7 | 2521450454364 |
oct | 434500137723 |
9 | 118540328533 |
10 | 38201769939 |
11 | 152239a31a3 |
12 | 74a1841903 |
13 | 37aa661cc8 |
14 | 1bc5835b6b |
15 | ed8bcce29 |
hex | 8e500bfd3 |
38201769939 has 4 divisors (see below), whose sum is σ = 50935693256. Its totient is φ = 25467846624.
The previous prime is 38201769923. The next prime is 38201769943. The reversal of 38201769939 is 93996710283.
38201769939 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.
It is not a de Polignac number, because 38201769939 - 24 = 38201769923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38201769959) 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, 6366961654 + ... + 6366961659.
It is an arithmetic number, because the mean of its divisors is an integer number (12733923314).
Almost surely, 238201769939 is an apocalyptic number.
38201769939 is a deficient number, since it is larger than the sum of its proper divisors (12733923317).
38201769939 is a wasteful number, since it uses less digits than its factorization.
38201769939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12733923316.
The product of its (nonzero) digits is 4408992, while the sum is 57.
The spelling of 38201769939 in words is "thirty-eight billion, two hundred one million, seven hundred sixty-nine thousand, nine hundred thirty-nine".
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