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8008264157 = 30726085551
BaseRepresentation
bin1110111010101010…
…00110100111011101
3202200002221222012012
413131111012213131
5112400103423112
63402352521005
7402311056625
oct73525064735
922602858165
108008264157
11343a502433
121675b50165
139a817785a
1455d819885
1531d0ce022
hex1dd5469dd

8008264157 has 4 divisors (see below), whose sum is σ = 8034350016. Its totient is φ = 7982178300.

The previous prime is 8008264133. The next prime is 8008264181. The reversal of 8008264157 is 7514628008.

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 an interprime number because it is at equal distance from previous prime (8008264133) and next prime (8008264181).

It is a cyclic number.

It is not a de Polignac number, because 8008264157 - 216 = 8008198621 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 (8008264657) 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, 13042469 + ... + 13043082.

It is an arithmetic number, because the mean of its divisors is an integer number (2008587504).

Almost surely, 28008264157 is an apocalyptic number.

It is an amenable number.

8008264157 is a deficient number, since it is larger than the sum of its proper divisors (26085859).

8008264157 is a wasteful number, since it uses less digits than its factorization.

8008264157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26085858.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 8008264157 is about 89488.9052173508. The cubic root of 8008264157 is about 2000.6884427461.

The spelling of 8008264157 in words is "eight billion, eight million, two hundred sixty-four thousand, one hundred fifty-seven".

Divisors: 1 307 26085551 8008264157