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80799793398621 = 32113855192117041
BaseRepresentation
bin10010010111110010101010…
…111110111100001101011101
3101121002101101112020022210200
4102113302222332330031131
541042310434102223441
6443502525044454113
723006410126622103
oct2227625276741535
9347071345208720
1080799793398621
1123821aaaa221a0
12908b65b3aa339
13361150708294b
1415d4a336d9c73
15951bc4a1a7b6
hex497caafbc35d

80799793398621 has 24 divisors (see below), whose sum is σ = 127321276967040. Its totient is φ = 48969421603200.

The previous prime is 80799793398607. The next prime is 80799793398691. The reversal of 80799793398621 is 12689339799708.

80799793398621 is a `hidden beast` number, since 80 + 7 + 9 + 9 + 7 + 93 + 398 + 62 + 1 = 666.

It is not a de Polignac number, because 80799793398621 - 25 = 80799793398589 is a prime.

It is a super-2 number, since 2×807997933986212 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80799793398691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37107861 + ... + 39224901.

It is an arithmetic number, because the mean of its divisors is an integer number (5305053206960).

Almost surely, 280799793398621 is an apocalyptic number.

It is an amenable number.

80799793398621 is a deficient number, since it is larger than the sum of its proper divisors (46521483568419).

80799793398621 is a wasteful number, since it uses less digits than its factorization.

80799793398621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502577 (or 2502574 counting only the distinct ones).

The product of its (nonzero) digits is 2222131968, while the sum is 81.

The spelling of 80799793398621 in words is "eighty trillion, seven hundred ninety-nine billion, seven hundred ninety-three million, three hundred ninety-eight thousand, six hundred twenty-one".