Base | Representation |
---|---|
bin | 111110111100011… |
… | …0100111101010100 |
3 | 12110012012012112022 |
4 | 1331320310331110 |
5 | 13311141031410 |
6 | 545324312312 |
7 | 103224056126 |
oct | 17570647524 |
9 | 5405165468 |
10 | 2112048980 |
11 | 994218728 |
12 | 4ab3a2698 |
13 | 278749232 |
14 | 160705216 |
15 | c5647455 |
hex | 7de34f54 |
2112048980 has 24 divisors (see below), whose sum is σ = 4441921512. Its totient is φ = 843558912.
The previous prime is 2112048979. The next prime is 2112049007. The reversal of 2112048980 is 898402112.
It can be written as a sum of positive squares in 4 ways, for example, as 453604804 + 1658444176 = 21298^2 + 40724^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 2112048980.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64997 + ... + 91916.
It is an arithmetic number, because the mean of its divisors is an integer number (185080063).
Almost surely, 22112048980 is an apocalyptic number.
2112048980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2112048980 is an abundant number, since it is smaller than the sum of its proper divisors (2329872532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112048980 is a wasteful number, since it uses less digits than its factorization.
2112048980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157595 (or 157593 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 35.
The square root of 2112048980 is about 45957.0340644389. The cubic root of 2112048980 is about 1283.0236501686.
The spelling of 2112048980 in words is "two billion, one hundred twelve million, forty-eight thousand, nine hundred eighty".
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