Base | Representation |
---|---|
bin | 111111000101000… |
… | …0100111101100100 |
3 | 12110111200221112210 |
4 | 1332022010331210 |
5 | 13313320232410 |
6 | 550005243420 |
7 | 103310361606 |
oct | 17612047544 |
9 | 5414627483 |
10 | 2116570980 |
11 | 996827117 |
12 | 4b0a03570 |
13 | 279670584 |
14 | 161161176 |
15 | c5c3c220 |
hex | 7e284f64 |
2116570980 has 48 divisors (see below), whose sum is σ = 5942099520. Its totient is φ = 562923648.
The previous prime is 2116570957. The next prime is 2116570993. The reversal of 2116570980 is 890756112.
2116570980 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
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, 23799 + ... + 69278.
It is an arithmetic number, because the mean of its divisors is an integer number (123793740).
Almost surely, 22116570980 is an apocalyptic number.
2116570980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2116570980 is an abundant number, since it is smaller than the sum of its proper divisors (3825528540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2116570980 is a wasteful number, since it uses less digits than its factorization.
2116570980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93468 (or 93466 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 39.
The square root of 2116570980 is about 46006.2058857281. The cubic root of 2116570980 is about 1283.9386695408.
The spelling of 2116570980 in words is "two billion, one hundred sixteen million, five hundred seventy thousand, nine hundred eighty".
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