Base | Representation |
---|---|
bin | 10011111100001001… |
… | …111001111010100011 |
3 | 2001021010022011020211 |
4 | 103330021321322203 |
5 | 322322020333011 |
6 | 13500305314551 |
7 | 1355365516030 |
oct | 237411717243 |
9 | 61233264224 |
10 | 21410324131 |
11 | 909762a459 |
12 | 4196335a57 |
13 | 203292c661 |
14 | 1071724387 |
15 | 85499eb21 |
hex | 4fc279ea3 |
21410324131 has 16 divisors (see below), whose sum is σ = 25669232640. Its totient is φ = 17469315360.
The previous prime is 21410324129. The next prime is 21410324141. The reversal of 21410324131 is 13142301412.
It is not a de Polignac number, because 21410324131 - 21 = 21410324129 is a prime.
It is a super-2 number, since 2×214103241312 (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 (21410324141) 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, 728331 + ... + 757156.
It is an arithmetic number, because the mean of its divisors is an integer number (1604327040).
Almost surely, 221410324131 is an apocalyptic number.
21410324131 is a deficient number, since it is larger than the sum of its proper divisors (4258908509).
21410324131 is a wasteful number, since it uses less digits than its factorization.
21410324131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1485594.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 21410324131 its reverse (13142301412), we get a palindrome (34552625543).
The spelling of 21410324131 in words is "twenty-one billion, four hundred ten million, three hundred twenty-four thousand, one hundred thirty-one".
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