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80868346183886 = 21071991898942051
BaseRepresentation
bin10010011000110010100001…
…000011000100000011001110
3101121022221100002101122021112
4102120302201003010003032
541044421333110341021
6443554223320532022
723014355001651602
oct2230624103040316
9347287302348245
1080868346183886
1123849089207428
1290a09b1621012
133617b1072a101
1415d809802d502
1595388805bd5b
hex498ca10c40ce

80868346183886 has 16 divisors (see below), whose sum is σ = 123051444969600. Its totient is φ = 39854995745400.

The previous prime is 80868346183883. The next prime is 80868346183909. The reversal of 80868346183886 is 68838164386808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80868346183883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949428440 + ... + 949513611.

It is an arithmetic number, because the mean of its divisors is an integer number (7690715310600).

Almost surely, 280868346183886 is an apocalyptic number.

80868346183886 is a deficient number, since it is larger than the sum of its proper divisors (42183098785714).

80868346183886 is a wasteful number, since it uses less digits than its factorization.

80868346183886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898942359.

The product of its (nonzero) digits is 2038431744, while the sum is 77.

The spelling of 80868346183886 in words is "eighty trillion, eight hundred sixty-eight billion, three hundred forty-six million, one hundred eighty-three thousand, eight hundred eighty-six".

Divisors: 1 2 107 199 214 398 21293 42586 1898942051 3797884102 203186799457 377889468149 406373598914 755778936298 40434173091943 80868346183886