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8117013243 = 33477797323
BaseRepresentation
bin1111000111100111…
…11100101011111011
3202221200120222220010
413203303330223323
5113110423410433
63421235433003
7405101321433
oct74363745373
922850528803
108117013243
11349592a209
1216a6455763
139c4862721
145700472c3
15327910e63
hex1e3cfcafb

8117013243 has 8 divisors (see below), whose sum is σ = 10853875008. Its totient is φ = 5395746824.

The previous prime is 8117013209. The next prime is 8117013263. The reversal of 8117013243 is 3423107118.

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 8117013243 - 217 = 8116882171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8117013243.

It is not an unprimeable number, because it can be changed into a prime (8117013263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3897621 + ... + 3899702.

It is an arithmetic number, because the mean of its divisors is an integer number (1356734376).

Almost surely, 28117013243 is an apocalyptic number.

8117013243 is a deficient number, since it is larger than the sum of its proper divisors (2736861765).

8117013243 is a wasteful number, since it uses less digits than its factorization.

8117013243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797673.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8117013243 is about 90094.4684373020. The cubic root of 8117013243 is about 2009.7039441682.

The spelling of 8117013243 in words is "eight billion, one hundred seventeen million, thirteen thousand, two hundred forty-three".

Divisors: 1 3 347 1041 7797323 23391969 2705671081 8117013243