Base | Representation |
---|---|
bin | 11100000011011010… |
… | …110100011000011100 |
3 | 2212202021002220101022 |
4 | 130003122310120130 |
5 | 443142231224040 |
6 | 21500553503312 |
7 | 2114311622540 |
oct | 340332643034 |
9 | 85667086338 |
10 | 30122133020 |
11 | 11858182411 |
12 | 5a07a11b38 |
13 | 2ac0787b65 |
14 | 165a75ba20 |
15 | bb47016b5 |
hex | 7036b461c |
30122133020 has 48 divisors (see below), whose sum is σ = 72305146368. Its totient is φ = 10325870400.
The previous prime is 30122133001. The next prime is 30122133059. The reversal of 30122133020 is 2033122103.
It is a self number, because there is not a number n which added to its sum of digits gives 30122133020.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055945 + ... + 1084095.
It is an arithmetic number, because the mean of its divisors is an integer number (1506357216).
Almost surely, 230122133020 is an apocalyptic number.
It is an amenable number.
30122133020 is an abundant number, since it is smaller than the sum of its proper divisors (42183013348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30122133020 is a wasteful number, since it uses less digits than its factorization.
30122133020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35810 (or 35808 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30122133020 its reverse (2033122103), we get a palindrome (32155255123).
The spelling of 30122133020 in words is "thirty billion, one hundred twenty-two million, one hundred thirty-three thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •