Base | Representation |
---|---|
bin | 11110010010010110… |
… | …010111010001111011 |
3 | 10002221101022121110021 |
4 | 132102112113101323 |
5 | 1013100121412011 |
6 | 22534534431311 |
7 | 2230610230651 |
oct | 362226272173 |
9 | 102841277407 |
10 | 32520107131 |
11 | 128788308a6 |
12 | 6376b02537 |
13 | 30b3514655 |
14 | 1807010dd1 |
15 | ca4ec7471 |
hex | 79259747b |
32520107131 has 16 divisors (see below), whose sum is σ = 34016329728. Its totient is φ = 31063708000.
The previous prime is 32520107129. The next prime is 32520107141. The reversal of 32520107131 is 13170102523.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 32520107131 - 21 = 32520107129 is a prime.
It is a super-2 number, since 2×325201071312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 32520107096 and 32520107105.
It is not an unprimeable number, because it can be changed into a prime (32520107141) 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, 441606 + ... + 509956.
It is an arithmetic number, because the mean of its divisors is an integer number (2126020608).
Almost surely, 232520107131 is an apocalyptic number.
32520107131 is a deficient number, since it is larger than the sum of its proper divisors (1496222597).
32520107131 is a wasteful number, since it uses less digits than its factorization.
32520107131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68642.
The product of its (nonzero) digits is 1260, while the sum is 25.
Adding to 32520107131 its reverse (13170102523), we get a palindrome (45690209654).
The spelling of 32520107131 in words is "thirty-two billion, five hundred twenty million, one hundred seven thousand, one hundred thirty-one".
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