Base | Representation |
---|---|
bin | 111101010011100… |
… | …1110101011111011 |
3 | 12022100210201100121 |
4 | 1322213032223323 |
5 | 13203104312443 |
6 | 540042514111 |
7 | 101656045054 |
oct | 17247165373 |
9 | 5270721317 |
10 | 2057104123 |
11 | 9661aa858 |
12 | 494b05937 |
13 | 26a24c199 |
14 | 1572c172b |
15 | c08e24ed |
hex | 7a9ceafb |
2057104123 has 4 divisors (see below), whose sum is σ = 2078311480. Its totient is φ = 2035896768.
The previous prime is 2057104097. The next prime is 2057104139. The reversal of 2057104123 is 3214017502.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2057104123 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2057104223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10603533 + ... + 10603726.
It is an arithmetic number, because the mean of its divisors is an integer number (519577870).
Almost surely, 22057104123 is an apocalyptic number.
2057104123 is a deficient number, since it is larger than the sum of its proper divisors (21207357).
2057104123 is an equidigital number, since it uses as much as digits as its factorization.
2057104123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21207356.
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 2057104123 is about 45355.3097553087. The cubic root of 2057104123 is about 1271.7998171570.
The spelling of 2057104123 in words is "two billion, fifty-seven million, one hundred four thousand, one hundred twenty-three".
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