Base | Representation |
---|---|
bin | 10010011001000111001010… |
… | …111000100001100110100110 |
3 | 101121102001120121210120221000 |
4 | 102121013022320201212212 |
5 | 41100302242330312102 |
6 | 444012332044534130 |
7 | 23016101364643341 |
oct | 2231071270414646 |
9 | 347361517716830 |
10 | 80890522900902 |
11 | 23857529403130 |
12 | 90a5160551346 |
13 | 3619c36073880 |
14 | 15d919d451458 |
15 | 954234e4601c |
hex | 4991cae219a6 |
80890522900902 has 64 divisors (see below), whose sum is σ = 211182717150720. Its totient is φ = 22626719690400.
The previous prime is 80890522900883. The next prime is 80890522900951. The reversal of 80890522900902 is 20900922509808.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5237658874 + ... + 5237674317.
It is an arithmetic number, because the mean of its divisors is an integer number (3299729955480).
Almost surely, 280890522900902 is an apocalyptic number.
80890522900902 is an abundant number, since it is smaller than the sum of its proper divisors (130292194249818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80890522900902 is a wasteful number, since it uses less digits than its factorization.
80890522900902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10475333226 (or 10475333220 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 54.
The spelling of 80890522900902 in words is "eighty trillion, eight hundred ninety billion, five hundred twenty-two million, nine hundred thousand, nine hundred two".
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