Base | Representation |
---|---|
bin | 11101111011000110… |
… | …101100000100100101 |
3 | 10001221012111022110022 |
4 | 131323012230010211 |
5 | 1011300302401041 |
6 | 22432124004525 |
7 | 2215133350064 |
oct | 357306540445 |
9 | 101835438408 |
10 | 32130122021 |
11 | 12698686258 |
12 | 6288390745 |
13 | 305079b62a |
14 | 17ab2d61db |
15 | c80b4124b |
hex | 77b1ac125 |
32130122021 has 16 divisors (see below), whose sum is σ = 33636556800. Its totient is φ = 30632981808.
The previous prime is 32130121943. The next prime is 32130122027. The reversal of 32130122021 is 12022103123.
It is a cyclic number.
It is not a de Polignac number, because 32130122021 - 218 = 32129859877 is a prime.
It is a super-3 number, since 3×321301220213 (a number of 32 digits) contains 333 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 (32130122027) 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, 17394920 + ... + 17396766.
It is an arithmetic number, because the mean of its divisors is an integer number (2102284800).
Almost surely, 232130122021 is an apocalyptic number.
It is an amenable number.
32130122021 is a deficient number, since it is larger than the sum of its proper divisors (1506434779).
32130122021 is a wasteful number, since it uses less digits than its factorization.
32130122021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3928.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 32130122021 its reverse (12022103123), we get a palindrome (44152225144).
The spelling of 32130122021 in words is "thirty-two billion, one hundred thirty million, one hundred twenty-two thousand, twenty-one".
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