Base | Representation |
---|---|
bin | 11100110100010000101… |
… | …110101011110111100100 |
3 | 21000022101202200021220020 |
4 | 130310100232223313210 |
5 | 224421033203102340 |
6 | 4113415201035140 |
7 | 263032463230563 |
oct | 34642056536744 |
9 | 7008352607806 |
10 | 1980260597220 |
11 | 6a3907533374 |
12 | 27b955325ab0 |
13 | 114978b6c799 |
14 | 6bbb9041bda |
15 | 367a008a9d0 |
hex | 1cd10babde4 |
1980260597220 has 48 divisors (see below), whose sum is σ = 5735927252160. Its totient is φ = 509860199296.
The previous prime is 1980260597207. The next prime is 1980260597261. The reversal of 1980260597220 is 227950620891.
It is a super-2 number, since 2×19802605972202 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569038662 + ... + 569042141.
It is an arithmetic number, because the mean of its divisors is an integer number (119498484420).
Almost surely, 21980260597220 is an apocalyptic number.
1980260597220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1980260597220 is an abundant number, since it is smaller than the sum of its proper divisors (3755666654940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1980260597220 is a wasteful number, since it uses less digits than its factorization.
1980260597220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1138080844 (or 1138080842 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 51.
The spelling of 1980260597220 in words is "one trillion, nine hundred eighty billion, two hundred sixty million, five hundred ninety-seven thousand, two hundred twenty".
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