Base | Representation |
---|---|
bin | 10100100000000101… |
… | …110010000111101001 |
3 | 2002211010202121120102 |
4 | 110200011302013221 |
5 | 330040341122101 |
6 | 14040203435145 |
7 | 1406336211611 |
oct | 244005620751 |
9 | 62733677512 |
10 | 22013223401 |
11 | 9376988614 |
12 | 4324225ab5 |
13 | 20ca801aa0 |
14 | 10cb823a41 |
15 | 88c89186b |
hex | 5201721e9 |
22013223401 has 16 divisors (see below), whose sum is σ = 24530461200. Its totient is φ = 19614056448.
The previous prime is 22013223373. The next prime is 22013223437. The reversal of 22013223401 is 10432231022.
It can be written as a sum of positive squares in 8 ways, for example, as 1137308176 + 20875915225 = 33724^2 + 144485^2 .
It is a cyclic number.
It is not a de Polignac number, because 22013223401 - 234 = 4833354217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22013243401) 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, 2626145 + ... + 2634513.
It is an arithmetic number, because the mean of its divisors is an integer number (1533153825).
Almost surely, 222013223401 is an apocalyptic number.
It is an amenable number.
22013223401 is a deficient number, since it is larger than the sum of its proper divisors (2517237799).
22013223401 is a wasteful number, since it uses less digits than its factorization.
22013223401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15388.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 22013223401 its reverse (10432231022), we get a palindrome (32445454423).
The spelling of 22013223401 in words is "twenty-two billion, thirteen million, two hundred twenty-three thousand, four hundred one".
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