Base | Representation |
---|---|
bin | 10010010010010111001001… |
… | …100111000000110001101010 |
3 | 101112202201020011210221010000 |
4 | 102102113021213000301222 |
5 | 41020202232114033220 |
6 | 443015253553003430 |
7 | 22640430145254132 |
oct | 2222271147006152 |
9 | 345681204727100 |
10 | 80426645064810 |
11 | 2369882646a060 |
12 | 902b280853576 |
13 | 35b527a78a7a5 |
14 | 15c09557a5ac2 |
15 | 947135656390 |
hex | 4925c99c0c6a |
80426645064810 has 320 divisors, whose sum is σ = 236894583429504. Its totient is φ = 19416808857600.
The previous prime is 80426645064751. The next prime is 80426645064851. The reversal of 80426645064810 is 1846054662408.
80426645064810 is a `hidden beast` number, since 8 + 0 + 4 + 26 + 64 + 506 + 48 + 10 = 666.
It is a super-2 number, since 2×804266450648102 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
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, 2645337069 + ... + 2645367471.
Almost surely, 280426645064810 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80426645064810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118447291714752).
80426645064810 is an abundant number, since it is smaller than the sum of its proper divisors (156467938364694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80426645064810 is a wasteful number, since it uses less digits than its factorization.
80426645064810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31651 (or 31642 counting only the distinct ones).
The product of its (nonzero) digits is 8847360, while the sum is 54.
The spelling of 80426645064810 in words is "eighty trillion, four hundred twenty-six billion, six hundred forty-five million, sixty-four thousand, eight hundred ten".
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