Base | Representation |
---|---|
bin | 1001000001010000… |
… | …0101110101011000 |
3 | 20020201212222122010 |
4 | 2100110011311120 |
5 | 14424310422010 |
6 | 1040130225520 |
7 | 113666511651 |
oct | 22024056530 |
9 | 6221788563 |
10 | 2421185880 |
11 | 1032772873 |
12 | 576a252a0 |
13 | 2c77c5a89 |
14 | 18d7b6528 |
15 | e285d620 |
hex | 90505d58 |
2421185880 has 64 divisors (see below), whose sum is σ = 7267235040. Its totient is φ = 645322752.
The previous prime is 2421185801. The next prime is 2421185911. The reversal of 2421185880 is 885811242.
It is a super-2 number, since 2×24211858802 = 11724282131022748800, which 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 15 ways as a sum of consecutive naturals, for example, 317472 + ... + 325008.
Almost surely, 22421185880 is an apocalyptic number.
2421185880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2421185880 is an abundant number, since it is smaller than the sum of its proper divisors (4846049160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2421185880 is a wasteful number, since it uses less digits than its factorization.
2421185880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10228 (or 10224 counting only the distinct ones).
The product of its (nonzero) digits is 40960, while the sum is 39.
The square root of 2421185880 is about 49205.5472482524. The cubic root of 2421185880 is about 1342.7939550987.
The spelling of 2421185880 in words is "two billion, four hundred twenty-one million, one hundred eighty-five thousand, eight hundred eighty".
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