Base | Representation |
---|---|
bin | 10011000000000100… |
… | …01100010101010011 |
3 | 222022221012200211012 |
4 | 21200002030111103 |
5 | 131342441402011 |
6 | 4404125241135 |
7 | 510536051564 |
oct | 114002142523 |
9 | 28287180735 |
10 | 10201122131 |
11 | 43652a4052 |
12 | 1b884031ab |
13 | c67578455 |
14 | 6cab5816b |
15 | 3ea889a8b |
hex | 26008c553 |
10201122131 has 4 divisors (see below), whose sum is σ = 10209370032. Its totient is φ = 10192874232.
The previous prime is 10201122089. The next prime is 10201122149. The reversal of 10201122131 is 13122110201.
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 10201122131 - 218 = 10200859987 is a prime.
It is a super-2 number, since 2×102011221312 (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 (10201125131) 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, 4122095 + ... + 4124568.
It is an arithmetic number, because the mean of its divisors is an integer number (2552342508).
Almost surely, 210201122131 is an apocalyptic number.
10201122131 is a deficient number, since it is larger than the sum of its proper divisors (8247901).
10201122131 is an equidigital number, since it uses as much as digits as its factorization.
10201122131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8247900.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 10201122131 its reverse (13122110201), we get a palindrome (23323232332).
The spelling of 10201122131 in words is "ten billion, two hundred one million, one hundred twenty-two thousand, one hundred thirty-one".
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