Base | Representation |
---|---|
bin | 1000110111111001… |
… | …1111101100001100 |
3 | 20011000002121211002 |
4 | 2031332133230030 |
5 | 14334241021223 |
6 | 1032205515432 |
7 | 113012261333 |
oct | 21576375414 |
9 | 6130077732 |
10 | 2381970188 |
11 | 1012618504 |
12 | 565872b78 |
13 | 2bc645220 |
14 | 1884c8d1a |
15 | de1b3e28 |
hex | 8df9fb0c |
2381970188 has 96 divisors (see below), whose sum is σ = 4941834240. Its totient is φ = 994705920.
The previous prime is 2381970139. The next prime is 2381970193. The reversal of 2381970188 is 8810791832.
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 31 ways as a sum of consecutive naturals, for example, 2541656 + ... + 2542592.
It is an arithmetic number, because the mean of its divisors is an integer number (51477440).
Almost surely, 22381970188 is an apocalyptic number.
It is an amenable number.
2381970188 is an abundant number, since it is smaller than the sum of its proper divisors (2559864052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2381970188 is a wasteful number, since it uses less digits than its factorization.
2381970188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1087 (or 1085 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 47.
The square root of 2381970188 is about 48805.4319517818. The cubic root of 2381970188 is about 1335.5047608959.
The spelling of 2381970188 in words is "two billion, three hundred eighty-one million, nine hundred seventy thousand, one hundred eighty-eight".
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