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80793110643264 = 26331747263222499
BaseRepresentation
bin10010010111101100011100…
…101010010000001001000000
3101121001202010210110011212000
4102113230130222100021000
541042203242311041024
6443455502002104000
723006052412264245
oct2227543452201100
9347052123404760
1080793110643264
112381a190760188
12908a2b534b000
1336109b0704a36
1415d459bd615cc
15951932eb9cc9
hex497b1ca90240

80793110643264 has 448 divisors, whose sum is σ = 257816908800000. Its totient is φ = 24713126977536.

The previous prime is 80793110643151. The next prime is 80793110643331. The reversal of 80793110643264 is 46234601139708.

80793110643264 is a `hidden beast` number, since 8 + 0 + 7 + 9 + 311 + 0 + 64 + 3 + 264 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 80793110643264.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 363005487 + ... + 363227985.

Almost surely, 280793110643264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80793110643264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128908454400000).

80793110643264 is an abundant number, since it is smaller than the sum of its proper divisors (177023798156736).

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

80793110643264 is a wasteful number, since it uses less digits than its factorization.

80793110643264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222847 (or 222831 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 80793110643264 in words is "eighty trillion, seven hundred ninety-three billion, one hundred ten million, six hundred forty-three thousand, two hundred sixty-four".