Base | Representation |
---|---|
bin | 10011000001110110… |
… | …101101100001110011 |
3 | 1221201221211000120112 |
4 | 103001312231201303 |
5 | 313321121323011 |
6 | 13215245131535 |
7 | 1322220645260 |
oct | 230166554163 |
9 | 57657730515 |
10 | 20432214131 |
11 | 87354a798a |
12 | 3b62859bab |
13 | 1c080b7c44 |
14 | dbb874267 |
15 | 7e8b9458b |
hex | 4c1dad873 |
20432214131 has 16 divisors (see below), whose sum is σ = 23523793920. Its totient is φ = 17384220000.
The previous prime is 20432214119. The next prime is 20432214169. The reversal of 20432214131 is 13141223402.
It is not a de Polignac number, because 20432214131 - 218 = 20431951987 is a prime.
It is a super-2 number, since 2×204322141312 (a number of 21 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 = 20432214097 and 20432214106.
It is not an unprimeable number, because it can be changed into a prime (20432214181) 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, 588506 + ... + 622256.
It is an arithmetic number, because the mean of its divisors is an integer number (1470237120).
Almost surely, 220432214131 is an apocalyptic number.
20432214131 is a deficient number, since it is larger than the sum of its proper divisors (3091579789).
20432214131 is a wasteful number, since it uses less digits than its factorization.
20432214131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34394.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 20432214131 its reverse (13141223402), we get a palindrome (33573437533).
The spelling of 20432214131 in words is "twenty billion, four hundred thirty-two million, two hundred fourteen thousand, one hundred thirty-one".
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