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80357698344 = 233711176738177
BaseRepresentation
bin100101011010110110…
…0010010101100101000
321200102021012000212210
41022311230102230220
52304033032321334
6100525452205120
75543224110630
oct1126554225450
9250367160783
1080357698344
113109690a150
12136a77697a0
137768285041
143c6448b6c0
152154ac85e9
hex12b5b12b28

80357698344 has 256 divisors, whose sum is σ = 269164062720. Its totient is φ = 19350650880.

The previous prime is 80357698339. The next prime is 80357698363. The reversal of 80357698344 is 44389675308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2085784 + ... + 2123960.

It is an arithmetic number, because the mean of its divisors is an integer number (1051422120).

Almost surely, 280357698344 is an apocalyptic number.

80357698344 is a gapful number since it is divisible by the number (84) 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 80357698344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134582031360).

80357698344 is an abundant number, since it is smaller than the sum of its proper divisors (188806364376).

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

80357698344 is a wasteful number, since it uses less digits than its factorization.

80357698344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38288 (or 38284 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 80357698344 in words is "eighty billion, three hundred fifty-seven million, six hundred ninety-eight thousand, three hundred forty-four".