Base | Representation |
---|---|
bin | 111110110000011… |
… | …0110110001010111 |
3 | 12102202100221110111 |
4 | 1331200312301113 |
5 | 13303033434301 |
6 | 544541503451 |
7 | 103116464263 |
oct | 17540666127 |
9 | 5382327414 |
10 | 2105764951 |
11 | 990716414 |
12 | 4a9271b87 |
13 | 277358b84 |
14 | 15d94b0a3 |
15 | c4d05551 |
hex | 7d836c57 |
2105764951 has 8 divisors (see below), whose sum is σ = 2113413120. Its totient is φ = 2098131288.
The previous prime is 2105764937. The next prime is 2105764963. The reversal of 2105764951 is 1594675012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2105764951 - 29 = 2105764439 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105734951) 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, 345210 + ... + 351256.
It is an arithmetic number, because the mean of its divisors is an integer number (264176640).
Almost surely, 22105764951 is an apocalyptic number.
2105764951 is a deficient number, since it is larger than the sum of its proper divisors (7648169).
2105764951 is an equidigital number, since it uses as much as digits as its factorization.
2105764951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7253.
The product of its (nonzero) digits is 75600, while the sum is 40.
The square root of 2105764951 is about 45888.6146119056. The cubic root of 2105764951 is about 1281.7499159284.
The spelling of 2105764951 in words is "two billion, one hundred five million, seven hundred sixty-four thousand, nine hundred fifty-one".
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