Base | Representation |
---|---|
bin | 10010101001010010… |
… | …101101001000010010 |
3 | 1220200020101120121211 |
4 | 102221102231020102 |
5 | 312000122402010 |
6 | 13110324410334 |
7 | 1306055142001 |
oct | 225122551022 |
9 | 56606346554 |
10 | 20020122130 |
11 | 8543923088 |
12 | 3a688469aa |
13 | 1b70901818 |
14 | d7cc42c38 |
15 | 7c28e308a |
hex | 4a94ad212 |
20020122130 has 8 divisors (see below), whose sum is σ = 36036219852. Its totient is φ = 8008048848.
The previous prime is 20020122127. The next prime is 20020122151. The reversal of 20020122130 is 3122102002.
It can be written as a sum of positive squares in 2 ways, for example, as 18126044689 + 1894077441 = 134633^2 + 43521^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 20020122130.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001006097 + ... + 1001006116.
Almost surely, 220020122130 is an apocalyptic number.
20020122130 is a deficient number, since it is larger than the sum of its proper divisors (16016097722).
20020122130 is a wasteful number, since it uses less digits than its factorization.
20020122130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2002012220.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 20020122130 its reverse (3122102002), we get a palindrome (23142224132).
The spelling of 20020122130 in words is "twenty billion, twenty million, one hundred twenty-two thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •