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8040664715 = 55345476673
BaseRepresentation
bin1110111110100001…
…01100111010001011
3202202100221002101212
413133100230322023
5112431402232330
63405511203335
7403153344116
oct73720547213
922670832355
108040664715
113456822456
12168497654b
139b1ab0395
14563c5157d
15320d7e295
hex1df42ce8b

8040664715 has 16 divisors (see below), whose sum is σ = 9834486048. Its totient is φ = 6308829696.

The previous prime is 8040664703. The next prime is 8040664721. The reversal of 8040664715 is 5174660408.

It is a cyclic number.

It is not a de Polignac number, because 8040664715 - 210 = 8040663691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1201619 + ... + 1208291.

It is an arithmetic number, because the mean of its divisors is an integer number (614655378).

Almost surely, 28040664715 is an apocalyptic number.

8040664715 is a deficient number, since it is larger than the sum of its proper divisors (1793821333).

8040664715 is a wasteful number, since it uses less digits than its factorization.

8040664715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 8040664715 is about 89669.7536240621. The cubic root of 8040664715 is about 2003.3830006768.

The spelling of 8040664715 in words is "eight billion, forty million, six hundred sixty-four thousand, seven hundred fifteen".

Divisors: 1 5 53 265 4547 6673 22735 33365 240991 353669 1204955 1768345 30342131 151710655 1608132943 8040664715