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79063018893 = 349710062749
BaseRepresentation
bin100100110100010000…
…1011110110110001101
321120002001000111120000
41021220201132312031
52243410113101033
6100153202514513
75466153400155
oct1115041366615
9246061014500
1079063018893
1130592016331
12133a6065a39
1375bcc90a21
143b80553765
1520cb0d9a13
hex126885ed8d

79063018893 has 20 divisors (see below), whose sum is σ = 119324089500. Its totient is φ = 52165285632.

The previous prime is 79063018831. The next prime is 79063018901. The reversal of 79063018893 is 39881036097.

It can be written as a sum of positive squares in 2 ways, for example, as 59808126249 + 19254892644 = 244557^2 + 138762^2 .

It is not a de Polignac number, because 79063018893 - 28 = 79063018637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79063018493) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5023518 + ... + 5039231.

It is an arithmetic number, because the mean of its divisors is an integer number (5966204475).

Almost surely, 279063018893 is an apocalyptic number.

It is an amenable number.

79063018893 is a deficient number, since it is larger than the sum of its proper divisors (40261070607).

79063018893 is a wasteful number, since it uses less digits than its factorization.

79063018893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062858 (or 10062849 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 79063018893 in words is "seventy-nine billion, sixty-three million, eighteen thousand, eight hundred ninety-three".

Divisors: 1 3 9 27 81 97 291 873 2619 7857 10062749 30188247 90564741 271694223 815082669 976086653 2928259959 8784779877 26354339631 79063018893