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8117459413 = 72383432539
BaseRepresentation
bin1111000111101011…
…01001100111010101
3202221201102122220221
413203311221213111
5113111032200123
63421253154341
7405105160300
oct74365514725
922851378827
108117459413
113496104448
1216a662b9b1
139c498a82b
14570121b37
1532799d25d
hex1e3d699d5

8117459413 has 12 divisors (see below), whose sum is σ = 9467435520. Its totient is φ = 6939639672.

The previous prime is 8117459411. The next prime is 8117459419. The reversal of 8117459413 is 3149547118.

It is a happy number.

It is not a de Polignac number, because 8117459413 - 21 = 8117459411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8117459413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8117459411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197503 + ... + 235036.

It is an arithmetic number, because the mean of its divisors is an integer number (788952960).

Almost surely, 28117459413 is an apocalyptic number.

It is an amenable number.

8117459413 is a deficient number, since it is larger than the sum of its proper divisors (1349976107).

8117459413 is a wasteful number, since it uses less digits than its factorization.

8117459413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432936 (or 432929 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 8117459413 is about 90096.9445264377. The cubic root of 8117459413 is about 2009.7407661352.

The spelling of 8117459413 in words is "eight billion, one hundred seventeen million, four hundred fifty-nine thousand, four hundred thirteen".

Divisors: 1 7 49 383 2681 18767 432539 3027773 21194411 165662437 1159637059 8117459413