Base | Representation |
---|---|
bin | 1000000010100010… |
… | …0001110100010111 |
3 | 12120101212020112020 |
4 | 2000220201310113 |
5 | 13404433423202 |
6 | 554051424223 |
7 | 104323420563 |
oct | 20050416427 |
9 | 5511766466 |
10 | 2158107927 |
11 | a08217478 |
12 | 5028b5073 |
13 | 285154851 |
14 | 1668946a3 |
15 | c96e45bc |
hex | 80a21d17 |
2158107927 has 8 divisors (see below), whose sum is σ = 2882590464. Its totient is φ = 1436182008.
The previous prime is 2158107923. The next prime is 2158107929. The reversal of 2158107927 is 7297018512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2158107927 - 22 = 2158107923 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2158107923) 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, 637183 + ... + 640560.
It is an arithmetic number, because the mean of its divisors is an integer number (360323808).
Almost surely, 22158107927 is an apocalyptic number.
2158107927 is a deficient number, since it is larger than the sum of its proper divisors (724482537).
2158107927 is a wasteful number, since it uses less digits than its factorization.
2158107927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1278309.
The product of its (nonzero) digits is 70560, while the sum is 42.
The square root of 2158107927 is about 46455.4402303971. The cubic root of 2158107927 is about 1292.2832641556.
The spelling of 2158107927 in words is "two billion, one hundred fifty-eight million, one hundred seven thousand, nine hundred twenty-seven".
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