Base | Representation |
---|---|
bin | 11101111011001110… |
… | …101100100100101111 |
3 | 10001221100102222000211 |
4 | 131323032230210233 |
5 | 1011301322034411 |
6 | 22432241003251 |
7 | 2215160242165 |
oct | 357316544457 |
9 | 101840388024 |
10 | 32132221231 |
11 | 1269988a440 |
12 | 6289023527 |
13 | 3051054c76 |
14 | 17ab6c1235 |
15 | c80e08221 |
hex | 77b3ac92f |
32132221231 has 24 divisors (see below), whose sum is σ = 36986834304. Its totient is φ = 27679394160.
The previous prime is 32132221223. The next prime is 32132221243. The reversal of 32132221231 is 13212223123.
It is not a de Polignac number, because 32132221231 - 23 = 32132221223 is a prime.
It is a super-2 number, since 2×321322212312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32132221211) 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, 596830 + ... + 648436.
It is an arithmetic number, because the mean of its divisors is an integer number (1541118096).
Almost surely, 232132221231 is an apocalyptic number.
32132221231 is a deficient number, since it is larger than the sum of its proper divisors (4854613073).
32132221231 is a wasteful number, since it uses less digits than its factorization.
32132221231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51771 (or 51748 counting only the distinct ones).
The product of its digits is 864, while the sum is 22.
Adding to 32132221231 its reverse (13212223123), we get a palindrome (45344444354).
The spelling of 32132221231 in words is "thirty-two billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-one".
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