Base | Representation |
---|---|
bin | 10010111100100010… |
… | …110110100011010010 |
3 | 1221111202011200022210 |
4 | 102330202312203102 |
5 | 313130314402010 |
6 | 13202343412550 |
7 | 1320056453652 |
oct | 227442664322 |
9 | 57452150283 |
10 | 20343122130 |
11 | 869a186831 |
12 | 3b38a54156 |
13 | 1bc27c3396 |
14 | dadac2362 |
15 | 7e0e46b20 |
hex | 4bc8b68d2 |
20343122130 has 32 divisors (see below), whose sum is σ = 50507064000. Its totient is φ = 5237769152.
The previous prime is 20343122123. The next prime is 20343122147. The reversal of 20343122130 is 3122134302.
It is a junction number, because it is equal to n+sod(n) for n = 20343122097 and 20343122106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11690580 + ... + 11692319.
It is an arithmetic number, because the mean of its divisors is an integer number (1578345750).
Almost surely, 220343122130 is an apocalyptic number.
20343122130 is an abundant number, since it is smaller than the sum of its proper divisors (30163941870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20343122130 is a wasteful number, since it uses less digits than its factorization.
20343122130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23382938.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20343122130 its reverse (3122134302), we get a palindrome (23465256432).
The spelling of 20343122130 in words is "twenty billion, three hundred forty-three million, one hundred twenty-two thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •