Base | Representation |
---|---|
bin | 11101000110110110… |
… | …011000100011011101 |
3 | 2222200002211212120120 |
4 | 131012312120203131 |
5 | 1003001334320131 |
6 | 22205125305153 |
7 | 2154326536062 |
oct | 350666304335 |
9 | 88602755516 |
10 | 31253432541 |
11 | 122888254a1 |
12 | 60828651b9 |
13 | 2c40c77166 |
14 | 1726ac6c69 |
15 | c2dbbb496 |
hex | 746d988dd |
31253432541 has 8 divisors (see below), whose sum is σ = 41727635040. Its totient is φ = 20807425872.
The previous prime is 31253432527. The next prime is 31253432593. The reversal of 31253432541 is 14523435213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31253432541 - 29 = 31253432029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31253432141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7046370 + ... + 7050803.
It is an arithmetic number, because the mean of its divisors is an integer number (5215954380).
Almost surely, 231253432541 is an apocalyptic number.
It is an amenable number.
31253432541 is a deficient number, since it is larger than the sum of its proper divisors (10474202499).
31253432541 is a wasteful number, since it uses less digits than its factorization.
31253432541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14097915.
The product of its digits is 43200, while the sum is 33.
Adding to 31253432541 its reverse (14523435213), we get a palindrome (45776867754).
The spelling of 31253432541 in words is "thirty-one billion, two hundred fifty-three million, four hundred thirty-two thousand, five hundred forty-one".
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