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79996975240000 = 265471321977191
BaseRepresentation
bin10010001100000110111111…
…010010101101001101000000
3101111020122011202020021221211
4102030012333102231031000
540441132301130140000
6442050034133255504
722564406423102140
oct2214067722551500
9344218152207854
1079996975240000
1123542588008195
128b7bb49194594
1335838b42bbac0
1415a7c34d84920
1593ad891037ba
hex48c1bf4ad340

79996975240000 has 280 divisors, whose sum is σ = 244143395205248. Its totient is φ = 25317722880000.

The previous prime is 79996975239949. The next prime is 79996975240009. The reversal of 79996975240000 is 4257969997.

It is a tau number, because it is divible by the number of its divisors (280).

It is a junction number, because it is equal to n+sod(n) for n = 79996975239899 and 79996975239908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79996975240009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7348596 + ... + 14628595.

Almost surely, 279996975240000 is an apocalyptic number.

79996975240000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79996975240000 is an abundant number, since it is smaller than the sum of its proper divisors (164146419965248).

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

79996975240000 is a wasteful number, since it uses less digits than its factorization.

79996975240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21977243 (or 21977218 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 67.

The spelling of 79996975240000 in words is "seventy-nine trillion, nine hundred ninety-six billion, nine hundred seventy-five million, two hundred forty thousand".