Base | Representation |
---|---|
bin | 11000110100001000… |
… | …01010110001110111 |
3 | 1021101110001222211110 |
4 | 30122010022301313 |
5 | 204240440432411 |
6 | 10041541010103 |
7 | 651064564512 |
oct | 143204126167 |
9 | 37343058743 |
10 | 13322202231 |
11 | 5717043798 |
12 | 26b96b3933 |
13 | 1344074400 |
14 | 90547bd79 |
15 | 52e8992a6 |
hex | 31a10ac77 |
13322202231 has 24 divisors (see below), whose sum is σ = 19300283856. Its totient is φ = 8170206720.
The previous prime is 13322202211. The next prime is 13322202259. The reversal of 13322202231 is 13220222331.
It is a happy number.
It is not a de Polignac number, because 13322202231 - 25 = 13322202199 is a prime.
It is a super-2 number, since 2×133222022312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13322202198 and 13322202207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13322202211) 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, 103711 + ... + 193391.
It is an arithmetic number, because the mean of its divisors is an integer number (804178494).
Almost surely, 213322202231 is an apocalyptic number.
13322202231 is a deficient number, since it is larger than the sum of its proper divisors (5978081625).
13322202231 is a wasteful number, since it uses less digits than its factorization.
13322202231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90003 (or 89990 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 13322202231 its reverse (13220222331), we get a palindrome (26542424562).
The spelling of 13322202231 in words is "thirteen billion, three hundred twenty-two million, two hundred two thousand, two hundred thirty-one".
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