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80929380930 = 2352697646031
BaseRepresentation
bin100101101011111000…
…1000101101001000010
321201220002220111221220
41023113301011221002
52311220410142210
6101102313255510
75563335246666
oct1132761055102
9251802814856
1080929380930
113135a5867a2
1213827104596
137829847768
143cba3828a6
152189da0c70
hex12d7c45a42

80929380930 has 16 divisors (see below), whose sum is σ = 194230514304. Its totient is φ = 21581168240.

The previous prime is 80929380913. The next prime is 80929380937. The reversal of 80929380930 is 3908392908.

It is not an unprimeable number, because it can be changed into a prime (80929380937) 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, 1348822986 + ... + 1348823045.

It is an arithmetic number, because the mean of its divisors is an integer number (12139407144).

Almost surely, 280929380930 is an apocalyptic number.

80929380930 is an abundant number, since it is smaller than the sum of its proper divisors (113301133374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80929380930 is a wasteful number, since it uses less digits than its factorization.

80929380930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697646041.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 80929380930 in words is "eighty billion, nine hundred twenty-nine million, three hundred eighty thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2697646031 5395292062 8092938093 13488230155 16185876186 26976460310 40464690465 80929380930