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8040845659 = 721114918081
BaseRepresentation
bin1110111110100010…
…11001000101011011
3202202101021021121111
413133101121011123
5112431424030114
63405515121151
7403155026500
oct73721310533
922671237544
108040845659
1134569363a0
121684a431b7
139b1b44852
14563c9b4a7
15320db7bc4
hex1df45915b

8040845659 has 12 divisors (see below), whose sum is σ = 10203968088. Its totient is φ = 6265593600.

The previous prime is 8040845647. The next prime is 8040845663. The reversal of 8040845659 is 9565480408.

It is not a de Polignac number, because 8040845659 - 223 = 8032457051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8040845669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7458502 + ... + 7459579.

It is an arithmetic number, because the mean of its divisors is an integer number (850330674).

Almost surely, 28040845659 is an apocalyptic number.

8040845659 is a deficient number, since it is larger than the sum of its proper divisors (2163122429).

8040845659 is a wasteful number, since it uses less digits than its factorization.

8040845659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14918106 (or 14918099 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 8040845659 is about 89670.7625650635. The cubic root of 8040845659 is about 2003.3980283487.

The spelling of 8040845659 in words is "eight billion, forty million, eight hundred forty-five thousand, six hundred fifty-nine".

Divisors: 1 7 11 49 77 539 14918081 104426567 164098891 730985969 1148692237 8040845659