Base | Representation |
---|---|
bin | 10011000001010001… |
… | …10000100110000011 |
3 | 222100122020100010122 |
4 | 21200220300212003 |
5 | 131403033412011 |
6 | 4405130050455 |
7 | 511021020032 |
oct | 114050604603 |
9 | 28318210118 |
10 | 10211232131 |
11 | 436aa79921 |
12 | 1b8b879a2b |
13 | c696a80b9 |
14 | 6cc22a719 |
15 | 3eb6d53db |
hex | 260a30983 |
10211232131 has 4 divisors (see below), whose sum is σ = 10214232672. Its totient is φ = 10208231592.
The previous prime is 10211232127. The next prime is 10211232133. The reversal of 10211232131 is 13123211201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10211232131 - 22 = 10211232127 is a prime.
It is a super-2 number, since 2×102112321312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10211232133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495160 + ... + 1501973.
It is an arithmetic number, because the mean of its divisors is an integer number (2553558168).
Almost surely, 210211232131 is an apocalyptic number.
10211232131 is a deficient number, since it is larger than the sum of its proper divisors (3000541).
10211232131 is an equidigital number, since it uses as much as digits as its factorization.
10211232131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3000540.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 10211232131 its reverse (13123211201), we get a palindrome (23334443332).
The spelling of 10211232131 in words is "ten billion, two hundred eleven million, two hundred thirty-two thousand, one hundred thirty-one".
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