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80140693248 = 28337411439
BaseRepresentation
bin100101010100011000…
…0011110111100000000
321122212010212000212000
41022220300132330000
52303112004140443
6100452141104000
75534650440000
oct1125060367400
9248763760760
1080140693248
1130a95371aa0
1213646b58000
137732325865
143c43720000
152140a108d3
hex12a8c1ef00

80140693248 has 720 divisors, whose sum is σ = 302292883200. Its totient is φ = 20768348160.

The previous prime is 80140693219. The next prime is 80140693253. The reversal of 80140693248 is 84239604108.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 182552613 + ... + 182553051.

Almost surely, 280140693248 is an apocalyptic number.

80140693248 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80140693248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151146441600).

80140693248 is an abundant number, since it is smaller than the sum of its proper divisors (222152189952).

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

80140693248 is an equidigital number, since it uses as much as digits as its factorization.

80140693248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 80140693248 in words is "eighty billion, one hundred forty million, six hundred ninety-three thousand, two hundred forty-eight".