Base | Representation |
---|---|
bin | 111111010101011… |
… | …0100010010010111 |
3 | 12111002211222110100 |
4 | 1332222310102113 |
5 | 13323014402211 |
6 | 550513225143 |
7 | 103443335412 |
oct | 17652642227 |
9 | 5432758410 |
10 | 2125153431 |
11 | 9a0659255 |
12 | 4b38621b3 |
13 | 27b386b4b |
14 | 162356b79 |
15 | c6885156 |
hex | 7eab4497 |
2125153431 has 12 divisors (see below), whose sum is σ = 3070952352. Its totient is φ = 1416175296.
The previous prime is 2125153427. The next prime is 2125153507. The reversal of 2125153431 is 1343515212.
2125153431 is a `hidden beast` number, since 2 + 125 + 1 + 534 + 3 + 1 = 666.
It is not a de Polignac number, because 2125153431 - 22 = 2125153427 is a prime.
It is a super-2 number, since 2×21251534312 = 9032554210582143522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2125153395 and 2125153404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2125153631) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26226 + ... + 70271.
It is an arithmetic number, because the mean of its divisors is an integer number (255912696).
Almost surely, 22125153431 is an apocalyptic number.
2125153431 is a deficient number, since it is larger than the sum of its proper divisors (945798921).
2125153431 is a wasteful number, since it uses less digits than its factorization.
2125153431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98950 (or 98947 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 2125153431 is about 46099.3864492793. The cubic root of 2125153431 is about 1285.6717368829.
Adding to 2125153431 its reverse (1343515212), we get a palindrome (3468668643).
The spelling of 2125153431 in words is "two billion, one hundred twenty-five million, one hundred fifty-three thousand, four hundred thirty-one".
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