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80653857299 = 172475937853
BaseRepresentation
bin100101100011101011…
…0000011001000010011
321201011220110110120222
41023013112003020103
52310134341413144
6101015112023255
75553451322051
oct1130726031023
9251156413528
1080653857299
1131228aaa814
121376a991b2b
1377b4739722
143c919411d1
152170ac92ee
hex12c7583213

80653857299 has 12 divisors (see below), whose sum is σ = 87500216544. Its totient is φ = 74294404224.

The previous prime is 80653857287. The next prime is 80653857391. The reversal of 80653857299 is 99275835608.

It is a de Polignac number, because none of the positive numbers 2k-80653857299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80653853299) 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, 2955344 + ... + 2982509.

It is an arithmetic number, because the mean of its divisors is an integer number (7291684712).

Almost surely, 280653857299 is an apocalyptic number.

80653857299 is a deficient number, since it is larger than the sum of its proper divisors (6846359245).

80653857299 is a wasteful number, since it uses less digits than its factorization.

80653857299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937934 (or 5937917 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 80653857299 in words is "eighty billion, six hundred fifty-three million, eight hundred fifty-seven thousand, two hundred ninety-nine".

Divisors: 1 17 47 289 799 13583 5937853 100943501 279079091 1716039517 4744344547 80653857299