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6680436299715 = 35516931861551
BaseRepresentation
bin110000100110110100100…
…0010000101011111000011
3212122122101002111000002010
41201031221002011133003
51333423013143042330
622112541114224003
71256434303426503
oct141155102053703
925578332430063
106680436299715
112146180150502
128ba868725003
13395c68632c09
14191498b41a03
15b8b907583b0
hex613690857c3

6680436299715 has 16 divisors (see below), whose sum is σ = 10688731163136. Its totient is φ = 3562888332000.

The previous prime is 6680436299609. The next prime is 6680436299731. The reversal of 6680436299715 is 5179926340866.

It is a Cunningham number, because it is equal to 25846542-1.

It is not a de Polignac number, because 6680436299715 - 27 = 6680436299587 is a prime.

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, 7323190 + ... + 8184740.

It is an arithmetic number, because the mean of its divisors is an integer number (668045697696).

It is a 2-persistent number, because it is pandigital, and so is 2⋅6680436299715 = 13360872599430, but 3⋅6680436299715 = 20041308899145 is not.

Almost surely, 26680436299715 is an apocalyptic number.

6680436299715 is a deficient number, since it is larger than the sum of its proper divisors (4008294863421).

6680436299715 is a wasteful number, since it uses less digits than its factorization.

6680436299715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378490.

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 6680436299715 in words is "six trillion, six hundred eighty billion, four hundred thirty-six million, two hundred ninety-nine thousand, seven hundred fifteen".

Divisors: 1 3 5 15 516931 861551 1550793 2584653 2584655 4307755 7753965 12923265 445362419981 1336087259943 2226812099905 6680436299715