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79980826240000 = 210547215972
BaseRepresentation
bin10010001011110111111100…
…101111001010010000000000
3101111012002111022001002120201
4102023313330233022100000
540440401213004140000
6442034403452214544
722563265301625400
oct2213677457122000
9344162438032521
1079980826240000
11235367503534a4
128b789a0a6a454
13358220c6c6bba
1415a7142308800
1593a7414c996a
hex48bdfcbca400

79980826240000 has 495 divisors, whose sum is σ = 232554952932093. Its totient is φ = 27404826624000.

The previous prime is 79980826239989. The next prime is 79980826240039. The reversal of 79980826240000 is 4262808997.

The square root of 79980826240000 is 8943200.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 77405648610304 + 2575177629696 = 8798048^2 + 1604736^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 50081919202 + ... + 50081920798.

Almost surely, 279980826240000 is an apocalyptic number.

79980826240000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

79980826240000 is the 8943200-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79980826240000

79980826240000 is an abundant number, since it is smaller than the sum of its proper divisors (152574126692093).

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

79980826240000 is an frugal number, since it uses more digits than its factorization.

79980826240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 79980826240000 in words is "seventy-nine trillion, nine hundred eighty billion, eight hundred twenty-six million, two hundred forty thousand".