Base | Representation |
---|---|
bin | 1001100110000111111010… |
… | …10111011010001010110101 |
3 | 2202201020201001001211102220 |
4 | 10303003331113122022311 |
5 | 10231210103303130401 |
6 | 112513420402152553 |
7 | 4305335450502240 |
oct | 463037527321265 |
9 | 82636631054386 |
10 | 21101130130101 |
11 | 67a5a3694254a |
12 | 2449659952759 |
13 | ba0a9c25bc38 |
14 | 52d42b868257 |
15 | 268d4eb70336 |
hex | 1330fd5da2b5 |
21101130130101 has 32 divisors (see below), whose sum is σ = 32180241515520. Its totient is φ = 12047988864384.
The previous prime is 21101130130079. The next prime is 21101130130103. The reversal of 21101130130101 is 10103103110112.
It is not a de Polignac number, because 21101130130101 - 214 = 21101130113717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21101130130103) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266918086 + ... + 266997128.
It is an arithmetic number, because the mean of its divisors is an integer number (1005632547360).
Almost surely, 221101130130101 is an apocalyptic number.
21101130130101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
21101130130101 is a deficient number, since it is larger than the sum of its proper divisors (11079111385419).
21101130130101 is a wasteful number, since it uses less digits than its factorization.
21101130130101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89225.
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 21101130130101 its reverse (10103103110112), we get a palindrome (31204233240213).
The spelling of 21101130130101 in words is "twenty-one trillion, one hundred one billion, one hundred thirty million, one hundred thirty thousand, one hundred one".
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