Base | Representation |
---|---|
bin | 1000000010011111… |
… | …1011110010011001 |
3 | 12120101120022211211 |
4 | 2000213323302121 |
5 | 13404413432103 |
6 | 554044223121 |
7 | 104322201460 |
oct | 20047736231 |
9 | 5511508754 |
10 | 2157952153 |
11 | a08120435 |
12 | 50283aaa1 |
13 | 2850cb986 |
14 | 1668539d7 |
15 | c96b336d |
hex | 809fbc99 |
2157952153 has 4 divisors (see below), whose sum is σ = 2466231040. Its totient is φ = 1849673268.
The previous prime is 2157952141. The next prime is 2157952193. The reversal of 2157952153 is 3512597512.
2157952153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2157952153 - 225 = 2124397721 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2157952193) 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, 154139433 + ... + 154139446.
It is an arithmetic number, because the mean of its divisors is an integer number (616557760).
Almost surely, 22157952153 is an apocalyptic number.
It is an amenable number.
2157952153 is a deficient number, since it is larger than the sum of its proper divisors (308278887).
2157952153 is an equidigital number, since it uses as much as digits as its factorization.
2157952153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308278886.
The product of its digits is 94500, while the sum is 40.
The square root of 2157952153 is about 46453.7636042549. The cubic root of 2157952153 is about 1292.2521707189.
The spelling of 2157952153 in words is "two billion, one hundred fifty-seven million, nine hundred fifty-two thousand, one hundred fifty-three".
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