Base | Representation |
---|---|
bin | 11101111011000110… |
… | …010000111110001101 |
3 | 10001221012021200012012 |
4 | 131323012100332031 |
5 | 1011300240323041 |
6 | 22432121351005 |
7 | 2215132405343 |
oct | 357306207615 |
9 | 101835250165 |
10 | 32130011021 |
11 | 1269860a919 |
12 | 6288338465 |
13 | 305075cc54 |
14 | 17ab2a7993 |
15 | c80b1d3eb |
hex | 77b190f8d |
32130011021 has 8 divisors (see below), whose sum is σ = 32452126200. Its totient is φ = 31807974400.
The previous prime is 32130011003. The next prime is 32130011027. The reversal of 32130011021 is 12011003123.
It can be written as a sum of positive squares in 4 ways, for example, as 2585214025 + 29544796996 = 50845^2 + 171886^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 32130011021 - 234 = 14950141837 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 32130010987 and 32130011005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32130011027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146545 + ... + 1174233.
It is an arithmetic number, because the mean of its divisors is an integer number (4056515775).
Almost surely, 232130011021 is an apocalyptic number.
It is an amenable number.
32130011021 is a deficient number, since it is larger than the sum of its proper divisors (322115179).
32130011021 is a wasteful number, since it uses less digits than its factorization.
32130011021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39279.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 32130011021 its reverse (12011003123), we get a palindrome (44141014144).
The spelling of 32130011021 in words is "thirty-two billion, one hundred thirty million, eleven thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •