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80730983059 = 2083372710399
BaseRepresentation
bin100101100101111110…
…0010000101010010011
321201101021120212020121
41023023330100222103
52310314112424214
6101030505051111
75555406014356
oct1131374205223
9251337525217
1080730983059
1131268598511
1213790786a97
1377c770177c
143c9bc9a29d
152177761424
hex12cbf10a93

80730983059 has 8 divisors (see below), whose sum is σ = 80799180800. Its totient is φ = 80662817736.

The previous prime is 80730983051. The next prime is 80730983063. The reversal of 80730983059 is 95038903708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80730983059 - 23 = 80730983051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80730982997 and 80730983015.

It is not an unprimeable number, because it can be changed into a prime (80730983051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7758142 + ... + 7768540.

It is an arithmetic number, because the mean of its divisors is an integer number (10099897600).

Almost surely, 280730983059 is an apocalyptic number.

80730983059 is a deficient number, since it is larger than the sum of its proper divisors (68197741).

80730983059 is a wasteful number, since it uses less digits than its factorization.

80730983059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16209.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 80730983059 in words is "eighty billion, seven hundred thirty million, nine hundred eighty-three thousand, fifty-nine".

Divisors: 1 2083 3727 10399 7763341 21661117 38757073 80730983059