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38201769939 = 312733923313
BaseRepresentation
bin100011100101000000…
…001011111111010011
310122121100100222121010
4203211000023333103
51111214123114224
625314420302003
72521450454364
oct434500137723
9118540328533
1038201769939
11152239a31a3
1274a1841903
1337aa661cc8
141bc5835b6b
15ed8bcce29
hex8e500bfd3

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".

Divisors: 1 3 12733923313 38201769939