Base | Representation |
---|---|
bin | 11000101000001101… |
… | …01100011011001000 |
3 | 1021010110220101222100 |
4 | 30110012230123020 |
5 | 204034340413112 |
6 | 10024005353400 |
7 | 645441566025 |
oct | 142406543310 |
9 | 37113811870 |
10 | 13222201032 |
11 | 5675651377 |
12 | 2690108860 |
13 | 13294301c1 |
14 | 8d608a54c |
15 | 525be42dc |
hex | 3141ac6c8 |
13222201032 has 24 divisors (see below), whose sum is σ = 35810127990. Its totient is φ = 4407400320.
The previous prime is 13222201019. The next prime is 13222201033. The reversal of 13222201032 is 23010222231.
It can be written as a sum of positive squares in only one way, i.e., 12967287876 + 254913156 = 113874^2 + 15966^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 13222200996 and 13222201014.
It is not an unprimeable number, because it can be changed into a prime (13222201033) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91820769 + ... + 91820912.
Almost surely, 213222201032 is an apocalyptic number.
13222201032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13222201032 is an abundant number, since it is smaller than the sum of its proper divisors (22587926958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13222201032 is a wasteful number, since it uses less digits than its factorization.
13222201032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183641693 (or 183641686 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 13222201032 its reverse (23010222231), we get a palindrome (36232423263).
The spelling of 13222201032 in words is "thirteen billion, two hundred twenty-two million, two hundred one thousand, thirty-two".
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