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79772664384010 = 25133029320256689
BaseRepresentation
bin10010001000110110000101…
…010100101100101000001010
3101110110012012010210011111201
4102020312011110230220022
540423443404040242020
6441355020041214414
722542245663222023
oct2210660524545012
9343405163704451
1079772664384010
1123466440415074
128b44587a9140a
1335686b7474450
14159b036269c4a
1593510b737a0a
hex488d8552ca0a

79772664384010 has 32 divisors (see below), whose sum is σ = 154641354048720. Its totient is φ = 29453548459008.

The previous prime is 79772664383957. The next prime is 79772664384097. The reversal of 79772664384010 is 1048346627797.

It can be written as a sum of positive squares in 8 ways, for example, as 11436104556361 + 68336559827649 = 3381731^2 + 8266593^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6190255 + ... + 14066434.

Almost surely, 279772664384010 is an apocalyptic number.

79772664384010 is a deficient number, since it is larger than the sum of its proper divisors (74868689664710).

79772664384010 is a wasteful number, since it uses less digits than its factorization.

79772664384010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20287002.

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 79772664384010 in words is "seventy-nine trillion, seven hundred seventy-two billion, six hundred sixty-four million, three hundred eighty-four thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 30293 60586 151465 302930 393809 787618 1969045 3938090 20256689 40513378 101283445 202566890 263336957 526673914 1316684785 2633369570 613635879877 1227271759754 3068179399385 6136358798770 7977266438401 15954532876802 39886332192005 79772664384010