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80476839072672 = 25371955571134247
BaseRepresentation
bin10010010011000101111001…
…011001111101001110100000
3101112221111210021200201111020
4102103011321121331032200
541022013031300311142
6443054314404445440
722644155044266360
oct2223057131751640
9345844707621436
1080476839072672
11237080436a2089
129038b4a6a9880
1335b9c19797263
1415c3157b989a0
159485c206ecec
hex49317967d3a0

80476839072672 has 192 divisors, whose sum is σ = 254183343482880. Its totient is φ = 21779265401856.

The previous prime is 80476839072649. The next prime is 80476839072719. The reversal of 80476839072672 is 27627093867408.

It is a junction number, because it is equal to n+sod(n) for n = 80476839072597 and 80476839072606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70384653 + ... + 71518899.

It is an arithmetic number, because the mean of its divisors is an integer number (1323871580640).

Almost surely, 280476839072672 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 80476839072672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127091671741440).

80476839072672 is an abundant number, since it is smaller than the sum of its proper divisors (173706504410208).

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

80476839072672 is a wasteful number, since it uses less digits than its factorization.

80476839072672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139843 (or 1139835 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 69.

The spelling of 80476839072672 in words is "eighty trillion, four hundred seventy-six billion, eight hundred thirty-nine million, seventy-two thousand, six hundred seventy-two".