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79042812968 = 23722119111049
BaseRepresentation
bin100100110011101010…
…0011001110000101000
321120000121222221020102
41021213110121300220
52243334430003333
6100151201444532
75465516552600
oct1114724316050
9246017887212
1079042812968
1130581675319
121339b340748
1375b8a37962
143b7b9b3c00
1520c9447ae8
hex1267519c28

79042812968 has 96 divisors (see below), whose sum is σ = 173574576000. Its totient is φ = 33645830400.

The previous prime is 79042812883. The next prime is 79042812973. The reversal of 79042812968 is 86921824097.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75350108 + ... + 75351156.

It is an arithmetic number, because the mean of its divisors is an integer number (1808068500).

Almost surely, 279042812968 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 79042812968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86787288000).

79042812968 is an abundant number, since it is smaller than the sum of its proper divisors (94531763032).

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

79042812968 is a wasteful number, since it uses less digits than its factorization.

79042812968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 79042812968 in words is "seventy-nine billion, forty-two million, eight hundred twelve thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 211 392 422 844 911 1049 1477 1688 1822 2098 2954 3644 4196 5908 6377 7288 7343 8392 10339 11816 12754 14686 20678 25508 29372 41356 44639 51016 51401 58744 82712 89278 102802 178556 192221 205604 221339 357112 384442 411208 442678 768884 885356 955639 1345547 1537768 1549373 1770712 1911278 2691094 3098746 3822556 5382188 6197492 6689473 7645112 9418829 10764376 10845611 12394984 13378946 18837658 21691222 26757892 37675316 43382444 46826311 53515784 75350632 86764888 93652622 187305244 201639829 374610488 403279658 806559316 1411478803 1613118632 2822957606 5645915212 9880351621 11291830424 19760703242 39521406484 79042812968