Base | Representation |
---|---|
bin | 10100111000010101… |
… | …10101010100100011 |
3 | 1001221020122000200210 |
4 | 22130022311110203 |
5 | 140424231121011 |
6 | 5052205345203 |
7 | 544536412302 |
oct | 123412652443 |
9 | 31836560623 |
10 | 11210020131 |
11 | 4832845052 |
12 | 220a268203 |
13 | 10985ac70b |
14 | 784b40439 |
15 | 4592276a6 |
hex | 29c2b5523 |
11210020131 has 16 divisors (see below), whose sum is σ = 15144872960. Its totient is φ = 7374369600.
The previous prime is 11210020109. The next prime is 11210020139. The reversal of 11210020131 is 13102001211.
It is not a de Polignac number, because 11210020131 - 26 = 11210020067 is a prime.
It is a super-2 number, since 2×112100201312 (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 (11210020139) 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, 413706 + ... + 439968.
It is an arithmetic number, because the mean of its divisors is an integer number (946554560).
Almost surely, 211210020131 is an apocalyptic number.
11210020131 is a deficient number, since it is larger than the sum of its proper divisors (3934852829).
11210020131 is a wasteful number, since it uses less digits than its factorization.
11210020131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28146.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 11210020131 its reverse (13102001211), we get a palindrome (24312021342).
It can be divided in two parts, 112100 and 20131, that added together give a palindrome (132231).
The spelling of 11210020131 in words is "eleven billion, two hundred ten million, twenty thousand, one hundred thirty-one".
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