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80631936000 = 2103453711101
BaseRepresentation
bin100101100011000001…
…0011011010000000000
321201010101012202020000
41023012002123100000
52310113233423000
6101013010120000
75553064101420
oct1130602332000
9251111182200
1080631936000
1131217697a40
1213763580000
1377b0032945
143c8ca76480
15216dbe9000
hex12c609b400

80631936000 has 1760 divisors, whose sum is σ = 378354772224. Its totient is φ = 16588800000.

The previous prime is 80631935941. The next prime is 80631936031. The reversal of 80631936000 is 63913608.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1760).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 798335950 + ... + 798336050.

Almost surely, 280631936000 is an apocalyptic number.

80631936000 is a gapful number since it is divisible by the number (80) 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 80631936000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189177386112).

80631936000 is an abundant number, since it is smaller than the sum of its proper divisors (297722836224).

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

80631936000 is a wasteful number, since it uses less digits than its factorization.

80631936000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 80631936000 in words is "eighty billion, six hundred thirty-one million, nine hundred thirty-six thousand".