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38130104807 = 156269244003
BaseRepresentation
bin100011100000101110…
…110011100111100111
310122102100112000111222
4203200232303213213
51111042301323212
625303340250555
72516620354214
oct434056634747
9118370460458
1038130104807
11151974a5113
127481840a5b
13379885c5c2
141bba0dcb0b
15ed2773c72
hex8e0bb39e7

38130104807 has 4 divisors (see below), whose sum is σ = 38130505080. Its totient is φ = 38129704536.

The previous prime is 38130104717. The next prime is 38130104809. The reversal of 38130104807 is 70840103183.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38130104807 - 222 = 38125910503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38130104809) 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, 34268 + ... + 278270.

It is an arithmetic number, because the mean of its divisors is an integer number (9532626270).

Almost surely, 238130104807 is an apocalyptic number.

38130104807 is a deficient number, since it is larger than the sum of its proper divisors (400273).

38130104807 is a wasteful number, since it uses less digits than its factorization.

38130104807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400272.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 38130104807 in words is "thirty-eight billion, one hundred thirty million, one hundred four thousand, eight hundred seven".

Divisors: 1 156269 244003 38130104807