Base | Representation |
---|---|
bin | 10010101111111110… |
… | …010000001100010000 |
3 | 1220222001021210020200 |
4 | 102233332100030100 |
5 | 312212320414412 |
6 | 13125410535200 |
7 | 1311615613143 |
oct | 225776201420 |
9 | 56861253220 |
10 | 20132201232 |
11 | 85a1114840 |
12 | 3a9a297500 |
13 | 1b8abb4310 |
14 | d8da9a05a |
15 | 7cc6819dc |
hex | 4aff90310 |
20132201232 has 120 divisors (see below), whose sum is σ = 66192305088. Its totient is φ = 5631379200.
The previous prime is 20132201189. The next prime is 20132201233. The reversal of 20132201232 is 23210223102.
20132201232 is a `hidden beast` number, since 201 + 32 + 201 + 232 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20132201233) 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, 468244 + ... + 509427.
Almost surely, 220132201232 is an apocalyptic number.
20132201232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20132201232 is an abundant number, since it is smaller than the sum of its proper divisors (46060103856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132201232 is a wasteful number, since it uses less digits than its factorization.
20132201232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 977709 (or 977700 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20132201232 its reverse (23210223102), we get a palindrome (43342424334).
The spelling of 20132201232 in words is "twenty billion, one hundred thirty-two million, two hundred one thousand, two hundred thirty-two".
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