Base | Representation |
---|---|
bin | 10000000101010000… |
… | …11011100011010111 |
3 | 211021201120002121200 |
4 | 20002220123203113 |
5 | 120140311301024 |
6 | 3544430243543 |
7 | 423650351112 |
oct | 100250334327 |
9 | 24251502550 |
10 | 8634087639 |
11 | 3730798921 |
12 | 180b6565b3 |
13 | a77a153c8 |
14 | 5bc9a5579 |
15 | 357eed2c9 |
hex | 202a1b8d7 |
8634087639 has 6 divisors (see below), whose sum is σ = 12471459936. Its totient is φ = 5756058420.
The previous prime is 8634087613. The next prime is 8634087641. The reversal of 8634087639 is 9367804368.
8634087639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8634087639 - 25 = 8634087607 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8634087689) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479671527 + ... + 479671544.
It is an arithmetic number, because the mean of its divisors is an integer number (2078576656).
Almost surely, 28634087639 is an apocalyptic number.
8634087639 is a deficient number, since it is larger than the sum of its proper divisors (3837372297).
8634087639 is a wasteful number, since it uses less digits than its factorization.
8634087639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 959343077 (or 959343074 counting only the distinct ones).
The product of its (nonzero) digits is 5225472, while the sum is 54.
The square root of 8634087639 is about 92919.7914278761. The cubic root of 8634087639 is about 2051.5029738792.
The spelling of 8634087639 in words is "eight billion, six hundred thirty-four million, eighty-seven thousand, six hundred thirty-nine".
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