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80974080000 = 21134541171
BaseRepresentation
bin100101101101001101…
…1100110100000000000
321202000020000110120000
41023122123212200000
52311313331030000
6101110551320000
75564420215662
oct1133233464000
9252006013500
1080974080000
1131382836880
121383a080000
137835b98108
143cc229a532
15218dc80000
hex12da6e6800

80974080000 has 1200 divisors, whose sum is σ = 334352098080. Its totient is φ = 19353600000.

The previous prime is 80974079993. The next prime is 80974080037. The reversal of 80974080000 is 8047908.

It is a tau number, because it is divible by the number of its divisors (1200).

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

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 1140479965 + ... + 1140480035.

Almost surely, 280974080000 is an apocalyptic number.

80974080000 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 80974080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167176049040).

80974080000 is an abundant number, since it is smaller than the sum of its proper divisors (253378018080).

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

80974080000 is an equidigital number, since it uses as much as digits as its factorization.

80974080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 80974080000 in words is "eighty billion, nine hundred seventy-four million, eighty thousand".