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80798083255 = 536744031653
BaseRepresentation
bin100101100111111110…
…0001110100010110111
321201112221211220102001
41023033330032202313
52310433302131010
6101041303200131
75560152242641
oct1131774164267
9251487756361
1080798083255
11312a245891a
12137ab146047
137808596426
143ca6b65891
15217d5b7c3a
hex12cff0e8b7

80798083255 has 8 divisors (see below), whose sum is σ = 97221892032. Its totient is φ = 64462338528.

The previous prime is 80798083241. The next prime is 80798083277. The reversal of 80798083255 is 55238089708.

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 80798083255 - 213 = 80798075063 is a prime.

It is a super-2 number, since 2×807980832552 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80798083196 and 80798083205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22013992 + ... + 22017661.

It is an arithmetic number, because the mean of its divisors is an integer number (12152736504).

Almost surely, 280798083255 is an apocalyptic number.

80798083255 is a deficient number, since it is larger than the sum of its proper divisors (16423808777).

80798083255 is a wasteful number, since it uses less digits than its factorization.

80798083255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44032025.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 80798083255 in words is "eighty billion, seven hundred ninety-eight million, eighty-three thousand, two hundred fifty-five".

Divisors: 1 5 367 1835 44031653 220158265 16159616651 80798083255