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8102137357 = 43745925261
BaseRepresentation
bin1111000101110110…
…01100111000001101
3202220122121020000101
413202323030320031
5113043121343412
63415544531101
7404531013466
oct74273147015
922818536011
108102137357
113488499796
1216a1480a91
139c1754722
1456c093d6d
15326473457
hex1e2ecce0d

8102137357 has 8 divisors (see below), whose sum is σ = 8291998880. Its totient is φ = 7912341360.

The previous prime is 8102137331. The next prime is 8102137361. The reversal of 8102137357 is 7537312018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8102137357 - 211 = 8102135309 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 (8102137327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308107 + ... + 333367.

It is an arithmetic number, because the mean of its divisors is an integer number (1036499860).

Almost surely, 28102137357 is an apocalyptic number.

It is an amenable number.

8102137357 is a deficient number, since it is larger than the sum of its proper divisors (189861523).

8102137357 is a wasteful number, since it uses less digits than its factorization.

8102137357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32763.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 8102137357 is about 90011.8734223436. The cubic root of 8102137357 is about 2008.4754788107.

The spelling of 8102137357 in words is "eight billion, one hundred two million, one hundred thirty-seven thousand, three hundred fifty-seven".

Divisors: 1 43 7459 25261 320737 1086223 188421799 8102137357