Base | Representation |
---|---|
bin | 10111010101000111… |
… | …000011010011001011 |
3 | 2101122210102122011210 |
4 | 113111013003103023 |
5 | 402300324411021 |
6 | 15301413224203 |
7 | 1544524313250 |
oct | 272507032313 |
9 | 71583378153 |
10 | 25050232011 |
11 | a695226092 |
12 | 4a31332063 |
13 | 2492a733bc |
14 | 12d8d01427 |
15 | 9b92e5e76 |
hex | 5d51c34cb |
25050232011 has 16 divisors (see below), whose sum is σ = 38892006144. Its totient is φ = 14044334304.
The previous prime is 25050232007. The next prime is 25050232013. The reversal of 25050232011 is 11023205052.
It is not a de Polignac number, because 25050232011 - 22 = 25050232007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (25050232013) 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, 11252361 + ... + 11254586.
It is an arithmetic number, because the mean of its divisors is an integer number (2430750384).
Almost surely, 225050232011 is an apocalyptic number.
25050232011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
25050232011 is a deficient number, since it is larger than the sum of its proper divisors (13841774133).
25050232011 is a wasteful number, since it uses less digits than its factorization.
25050232011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22507010.
The product of its (nonzero) digits is 600, while the sum is 21.
Adding to 25050232011 its reverse (11023205052), we get a palindrome (36073437063).
The spelling of 25050232011 in words is "twenty-five billion, fifty million, two hundred thirty-two thousand, eleven".
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