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92680933891 = 71319127422077
BaseRepresentation
bin101011001010000110…
…1101101001000000011
322212020002112021001011
41112110031231020003
53004302304341031
6110324350021351
76460501640230
oct1262415551003
9285202467034
1092680933891
113633aa75437
1215b667a7857
1389803916b0
1446b2daa787
1526268e76b1
hex159436d203

92680933891 has 32 divisors (see below), whose sum is σ = 121018204160. Its totient is φ = 68923322496.

The previous prime is 92680933889. The next prime is 92680933901. The reversal of 92680933891 is 19833908629.

It is not a de Polignac number, because 92680933891 - 21 = 92680933889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (92680933691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8545 + ... + 430621.

It is an arithmetic number, because the mean of its divisors is an integer number (3781818880).

Almost surely, 292680933891 is an apocalyptic number.

92680933891 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

92680933891 is a deficient number, since it is larger than the sum of its proper divisors (28337270269).

92680933891 is a wasteful number, since it uses less digits than its factorization.

92680933891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422243.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 92680933891 in words is "ninety-two billion, six hundred eighty million, nine hundred thirty-three thousand, eight hundred ninety-one".

Divisors: 1 7 13 19 91 127 133 247 889 1651 1729 2413 11557 16891 31369 219583 422077 2954539 5487001 8019463 38409007 53603779 56136241 104253019 375226453 696849127 729771133 1018471801 4877943889 7129302607 13240133413 92680933891