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80451963592 = 237211133167691
BaseRepresentation
bin100101011101101001…
…1111000101011001000
321200122211120012111021
41022323103320223020
52304231200313332
6100543100442224
75545450256500
oct1127323705310
9250584505437
1080451963592
1131135044010
1213713249374
13778196b4b0
143c72bc8a00
15215cee8c97
hex12bb4f8ac8

80451963592 has 384 divisors, whose sum is σ = 216291962880. Its totient is φ = 27542592000.

The previous prime is 80451963569. The next prime is 80451963601. The reversal of 80451963592 is 29536915408.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 116427967 + ... + 116428657.

It is an arithmetic number, because the mean of its divisors is an integer number (563260320).

Almost surely, 280451963592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80451963592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108145981440).

80451963592 is an abundant number, since it is smaller than the sum of its proper divisors (135839999288).

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

80451963592 is a wasteful number, since it uses less digits than its factorization.

80451963592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 80451963592 in words is "eighty billion, four hundred fifty-one million, nine hundred sixty-three thousand, five hundred ninety-two".