Base | Representation |
---|---|
bin | 10101011100001010… |
… | …101001110011100110 |
3 | 2012102101022201122200 |
4 | 111130022221303212 |
5 | 334121402224110 |
6 | 14324210435330 |
7 | 1443325254630 |
oct | 253412516346 |
9 | 65371281580 |
10 | 23021133030 |
11 | 9843913a85 |
12 | 4565892b46 |
13 | 222b57b20c |
14 | 118562da50 |
15 | 8eb0d66c0 |
hex | 55c2a9ce6 |
23021133030 has 48 divisors (see below), whose sum is σ = 68405654304. Its totient is φ = 5261973120.
The previous prime is 23021133029. The next prime is 23021133043. The reversal of 23021133030 is 3033112032.
23021133030 is a `hidden beast` number, since 2 + 302 + 1 + 1 + 330 + 30 = 666.
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 = 23021132994 and 23021133012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18270111 + ... + 18271370.
It is an arithmetic number, because the mean of its divisors is an integer number (1425117798).
Almost surely, 223021133030 is an apocalyptic number.
23021133030 is an abundant number, since it is smaller than the sum of its proper divisors (45384521274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23021133030 is a wasteful number, since it uses less digits than its factorization.
23021133030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36541501 (or 36541498 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 23021133030 its reverse (3033112032), we get a palindrome (26054245062).
The spelling of 23021133030 in words is "twenty-three billion, twenty-one million, one hundred thirty-three thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •