Base | Representation |
---|---|
bin | 1001010101011110… |
… | …0111001100101011 |
3 | 20110122110201221112 |
4 | 2111113213030223 |
5 | 20113013320201 |
6 | 1052400100535 |
7 | 116046415010 |
oct | 22527471453 |
9 | 6418421845 |
10 | 2505995051 |
11 | 107662919a |
12 | 59b30474b |
13 | 30c24b111 |
14 | 19ab71707 |
15 | ea0120bb |
hex | 955e732b |
2505995051 has 8 divisors (see below), whose sum is σ = 2867267040. Its totient is φ = 2145541248.
The previous prime is 2505995033. The next prime is 2505995057. The reversal of 2505995051 is 1505995052.
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 2505995051 - 214 = 2505978667 is a prime.
It is a super-2 number, since 2×25059950512 = 12560022391272985202, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2505995057) 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, 197966 + ... + 210243.
It is an arithmetic number, because the mean of its divisors is an integer number (358408380).
Almost surely, 22505995051 is an apocalyptic number.
2505995051 is a deficient number, since it is larger than the sum of its proper divisors (361271989).
2505995051 is an equidigital number, since it uses as much as digits as its factorization.
2505995051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 409093.
The product of its (nonzero) digits is 101250, while the sum is 41.
The square root of 2505995051 is about 50059.9146123922. The cubic root of 2505995051 is about 1358.2928137394.
Subtracting from 2505995051 its reverse (1505995052), we obtain a palindrome (999999999).
The spelling of 2505995051 in words is "two billion, five hundred five million, nine hundred ninety-five thousand, fifty-one".
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