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8168426113 = 64712625079
BaseRepresentation
bin1111001101110000…
…00100101010000001
3210002021100001002111
413212320010222001
5113212104113423
63430313415321
7406264322251
oct74670045201
923067301074
108168426113
113511955491
1216bb70a541
13a023c3c43
14576bcb961
1532c1b960d
hex1e6e04a81

8168426113 has 4 divisors (see below), whose sum is σ = 8181051840. Its totient is φ = 8155800388.

The previous prime is 8168426111. The next prime is 8168426129. The reversal of 8168426113 is 3116248618.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8168426113 - 21 = 8168426111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8168426111) 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, 6311893 + ... + 6313186.

It is an arithmetic number, because the mean of its divisors is an integer number (2045262960).

Almost surely, 28168426113 is an apocalyptic number.

It is an amenable number.

8168426113 is a deficient number, since it is larger than the sum of its proper divisors (12625727).

8168426113 is a wasteful number, since it uses less digits than its factorization.

8168426113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12625726.

The product of its digits is 55296, while the sum is 40.

The square root of 8168426113 is about 90379.3456105984. The cubic root of 8168426113 is about 2013.9381477855.

It can be divided in two parts, 8168 and 426113, that added together give a square (434281 = 6592).

The spelling of 8168426113 in words is "eight billion, one hundred sixty-eight million, four hundred twenty-six thousand, one hundred thirteen".

Divisors: 1 647 12625079 8168426113