Base | Representation |
---|---|
bin | 10011000010100101… |
… | …01011011110011101 |
3 | 222101101220122022200 |
4 | 21201102223132131 |
5 | 131413342034323 |
6 | 4410201402113 |
7 | 511213306131 |
oct | 114122533635 |
9 | 28341818280 |
10 | 10222221213 |
11 | 43761a5106 |
12 | 1b93499339 |
13 | c6ba54c09 |
14 | 6cd88b3c1 |
15 | 3ec656443 |
hex | 2614ab79d |
10222221213 has 24 divisors (see below), whose sum is σ = 15280321056. Its totient is φ = 6579986400.
The previous prime is 10222221203. The next prime is 10222221221. The reversal of 10222221213 is 31212222201.
10222221213 is a `hidden beast` number, since 10 + 222 + 221 + 213 = 666.
It is not a de Polignac number, because 10222221213 - 24 = 10222221197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10222221203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73543 + ... + 160788.
It is an arithmetic number, because the mean of its divisors is an integer number (636680044).
Almost surely, 210222221213 is an apocalyptic number.
It is an amenable number.
10222221213 is a deficient number, since it is larger than the sum of its proper divisors (5058099843).
10222221213 is a wasteful number, since it uses less digits than its factorization.
10222221213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234505 (or 234502 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 10222221213 its reverse (31212222201), we get a palindrome (41434443414).
The spelling of 10222221213 in words is "ten billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred thirteen".
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