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80295686213 = 281503568091
BaseRepresentation
bin100101011000111111…
…1101111000001000101
321200020221111111020012
41022301333233001011
52303421143424323
6100515355120005
75541542033351
oct1126177570105
9250227444205
1080295686213
1131064904556
121368aa43005
137758482282
143c5a148461
15214e429678
hex12b1fef045

80295686213 has 8 divisors (see below), whose sum is σ = 80741779776. Its totient is φ = 79850730400.

The previous prime is 80295686209. The next prime is 80295686267. The reversal of 80295686213 is 31268659208.

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 80295686213 - 22 = 80295686209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80295682213) 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, 142703 + ... + 425388.

It is an arithmetic number, because the mean of its divisors is an integer number (10092722472).

Almost surely, 280295686213 is an apocalyptic number.

It is an amenable number.

80295686213 is a deficient number, since it is larger than the sum of its proper divisors (446093563).

80295686213 is a wasteful number, since it uses less digits than its factorization.

80295686213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568875.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 80295686213 in words is "eighty billion, two hundred ninety-five million, six hundred eighty-six thousand, two hundred thirteen".

Divisors: 1 281 503 141343 568091 159633571 285749773 80295686213