Base | Representation |
---|---|
bin | 100101101001111000… |
… | …0011011010001010000 |
3 | 21201201102022012211111 |
4 | 1023103300123101100 |
5 | 2311101144123022 |
6 | 101051511223104 |
7 | 5561560332226 |
oct | 1132360332120 |
9 | 251642265744 |
10 | 80862098512 |
11 | 31325601498 |
12 | 13808677a94 |
13 | 781891ab90 |
14 | 3cb146ab16 |
15 | 2184010477 |
hex | 12d3c1b450 |
80862098512 has 30 divisors (see below), whose sum is σ = 168730436238. Its totient is φ = 37319075712.
The previous prime is 80862098509. The next prime is 80862098539. The reversal of 80862098512 is 21589026808.
It can be written as a sum of positive squares in 3 ways, for example, as 8767700496 + 72094398016 = 93636^2 + 268504^2 .
It is a super-2 number, since 2×808620985122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4091278 + ... + 4110994.
Almost surely, 280862098512 is an apocalyptic number.
It is an amenable number.
80862098512 is an abundant number, since it is smaller than the sum of its proper divisors (87868337726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80862098512 is an frugal number, since it uses more digits than its factorization.
80862098512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39455 (or 19732 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 49.
The spelling of 80862098512 in words is "eighty billion, eight hundred sixty-two million, ninety-eight thousand, five hundred twelve".
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