Base | Representation |
---|---|
bin | 1000011010010110… |
… | …0001010110010111 |
3 | 12211100210102012020 |
4 | 2012211201112113 |
5 | 14111020422441 |
6 | 1012020224223 |
7 | 106645352304 |
oct | 20645412627 |
9 | 5740712166 |
10 | 2257982871 |
11 | a59632a51 |
12 | 53023b073 |
13 | 29ca53451 |
14 | 175c520ab |
15 | d3371e66 |
hex | 86961597 |
2257982871 has 8 divisors (see below), whose sum is σ = 3011057280. Its totient is φ = 1505115192.
The previous prime is 2257982869. The next prime is 2257982897. The reversal of 2257982871 is 1782897522.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2257982871 - 21 = 2257982869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2257982821) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24091 + ... + 71388.
It is an arithmetic number, because the mean of its divisors is an integer number (376382160).
Almost surely, 22257982871 is an apocalyptic number.
2257982871 is a deficient number, since it is larger than the sum of its proper divisors (753074409).
2257982871 is an equidigital number, since it uses as much as digits as its factorization.
2257982871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103365.
The product of its digits is 1128960, while the sum is 51.
The square root of 2257982871 is about 47518.2372463457. The cubic root of 2257982871 is about 1311.9185746534.
The spelling of 2257982871 in words is "two billion, two hundred fifty-seven million, nine hundred eighty-two thousand, eight hundred seventy-one".
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