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79522020080 = 2459710247683
BaseRepresentation
bin100101000001111100…
…0011011101011110000
321121021000201011210222
41022003320123223300
52300330114120310
6100310520512212
75513426006066
oct1120370335360
9247230634728
1079522020080
11307a811a758
12134b391b668
1376640bc769
143bc54b6036
152106555055
hex1283e1baf0

79522020080 has 40 divisors (see below), whose sum is σ = 186794783952. Its totient is φ = 31480879104.

The previous prime is 79522020001. The next prime is 79522020107. The reversal of 79522020080 is 8002022597.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 79522020080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5116082 + ... + 5131601.

Almost surely, 279522020080 is an apocalyptic number.

It is an amenable number.

79522020080 is an abundant number, since it is smaller than the sum of its proper divisors (107272763872).

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

79522020080 is a wasteful number, since it uses less digits than its factorization.

79522020080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247793 (or 10247787 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 79522020080 in words is "seventy-nine billion, five hundred twenty-two million, twenty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 97 194 388 485 776 970 1552 1940 3880 7760 10247683 20495366 40990732 51238415 81981464 102476830 163962928 204953660 409907320 819814640 994025251 1988050502 3976101004 4970126255 7952202008 9940252510 15904404016 19880505020 39761010040 79522020080