Base | Representation |
---|---|
bin | 10011110110001011… |
… | …111101110100100010 |
3 | 2001000010220101022020 |
4 | 103312023331310202 |
5 | 322120402413442 |
6 | 13442331322310 |
7 | 1353041502150 |
oct | 236613756442 |
9 | 61003811266 |
10 | 21310201122 |
11 | 9046064571 |
12 | 41688b0396 |
13 | 2017c74b82 |
14 | 10623003d0 |
15 | 84acc39ec |
hex | 4f62fdd22 |
21310201122 has 16 divisors (see below), whose sum is σ = 48709031232. Its totient is φ = 6088628880.
The previous prime is 21310201079. The next prime is 21310201141. The reversal of 21310201122 is 22110201312.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253692829 + ... + 253692912.
It is an arithmetic number, because the mean of its divisors is an integer number (3044314452).
Almost surely, 221310201122 is an apocalyptic number.
21310201122 is an abundant number, since it is smaller than the sum of its proper divisors (27398830110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21310201122 is a wasteful number, since it uses less digits than its factorization.
21310201122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 507385753.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 21310201122 its reverse (22110201312), we get a palindrome (43420402434).
The spelling of 21310201122 in words is "twenty-one billion, three hundred ten million, two hundred one thousand, one hundred twenty-two".
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