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79966608498 = 23272630114389
BaseRepresentation
bin100101001111001100…
…0011001110001110010
321122102000021121110200
41022132120121301302
52302232422432443
6100423001540030
75530434646200
oct1123630316162
9248360247420
1079966608498
1130a0607a5a7
12135b87a4616
13770524322a
143c28566070
1521305c4dd3
hex129e619c72

79966608498 has 72 divisors (see below), whose sum is σ = 201594488940. Its totient is φ = 22842388800.

The previous prime is 79966608497. The next prime is 79966608503. The reversal of 79966608498 is 89480666997.

It can be written as a sum of positive squares in 2 ways, for example, as 79742417769 + 224190729 = 282387^2 + 14973^2 .

It is not an unprimeable number, because it can be changed into a prime (79966608497) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5550288 + ... + 5564676.

Almost surely, 279966608498 is an apocalyptic number.

79966608498 is an abundant number, since it is smaller than the sum of its proper divisors (121627880442).

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

79966608498 is a wasteful number, since it uses less digits than its factorization.

79966608498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20712 (or 20702 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 79966608498 in words is "seventy-nine billion, nine hundred sixty-six million, six hundred eight thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 6301 12602 14389 18903 28778 37806 43167 44107 56709 86334 88214 100723 113418 129501 132321 201446 259002 264642 302169 308749 396963 604338 617498 705061 793926 906507 926247 1410122 1813014 1852494 2115183 2778741 4230366 5557482 6345549 12691098 90665089 181330178 271995267 543990534 634655623 815985801 1269311246 1631971602 1903966869 3807933738 4442589361 5711900607 8885178722 11423801214 13327768083 26655536166 39983304249 79966608498