Base | Representation |
---|---|
bin | 1000000010100111… |
… | …0110001010110011 |
3 | 12120102111210110112 |
4 | 2000221312022303 |
5 | 13410031002202 |
6 | 554103051535 |
7 | 104326360064 |
oct | 20051661263 |
9 | 5512453415 |
10 | 2158453427 |
11 | a08433009 |
12 | 502a40bab |
13 | 285245ba0 |
14 | 16694456b |
15 | c9761b52 |
hex | 80a762b3 |
2158453427 has 16 divisors (see below), whose sum is σ = 2389172352. Its totient is φ = 1937520000.
The previous prime is 2158453411. The next prime is 2158453439. The reversal of 2158453427 is 7243548512.
It is not a de Polignac number, because 2158453427 - 24 = 2158453411 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2158413427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84677 + ... + 107177.
It is an arithmetic number, because the mean of its divisors is an integer number (149323272).
Almost surely, 22158453427 is an apocalyptic number.
2158453427 is a deficient number, since it is larger than the sum of its proper divisors (230718925).
2158453427 is a wasteful number, since it uses less digits than its factorization.
2158453427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22718.
The product of its digits is 268800, while the sum is 41.
The square root of 2158453427 is about 46459.1586987969. The cubic root of 2158453427 is about 1292.3522227154.
The spelling of 2158453427 in words is "two billion, one hundred fifty-eight million, four hundred fifty-three thousand, four hundred twenty-seven".
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