Base | Representation |
---|---|
bin | 1001100000010011… |
… | …1110100000010111 |
3 | 20120210222122122210 |
4 | 2120010332200113 |
5 | 20211132111211 |
6 | 1101102124503 |
7 | 120140615520 |
oct | 23004764027 |
9 | 6523878583 |
10 | 2551441431 |
11 | 109a249790 |
12 | 5b2580733 |
13 | 3187a0976 |
14 | 1a2c01847 |
15 | ededc9a6 |
hex | 9813e817 |
2551441431 has 32 divisors (see below), whose sum is σ = 4387622400. Its totient is φ = 1279716480.
The previous prime is 2551441381. The next prime is 2551441457. The reversal of 2551441431 is 1341441552.
It is not a de Polignac number, because 2551441431 - 26 = 2551441367 is a prime.
It is a super-2 number, since 2×25514414312 = 13019706751646655522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2551441471) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183736 + ... + 197133.
It is an arithmetic number, because the mean of its divisors is an integer number (137113200).
Almost surely, 22551441431 is an apocalyptic number.
2551441431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2551441431 is a deficient number, since it is larger than the sum of its proper divisors (1836180969).
2551441431 is a wasteful number, since it uses less digits than its factorization.
2551441431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 380919.
The product of its digits is 9600, while the sum is 30.
The square root of 2551441431 is about 50511.7949690961. The cubic root of 2551441431 is about 1366.4545816509.
Adding to 2551441431 its reverse (1341441552), we get a palindrome (3892882983).
The spelling of 2551441431 in words is "two billion, five hundred fifty-one million, four hundred forty-one thousand, four hundred thirty-one".
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