Base | Representation |
---|---|
bin | 11100001000001011… |
… | …111110111011001000 |
3 | 2212221211122011202212 |
4 | 130020023332323020 |
5 | 443323221130440 |
6 | 21512532244252 |
7 | 2116302604331 |
oct | 341013767310 |
9 | 85854564685 |
10 | 30202130120 |
11 | 11899351418 |
12 | 5a2a770688 |
13 | 2b04216b16 |
14 | 1667223288 |
15 | bbb754465 |
hex | 7082feec8 |
30202130120 has 32 divisors (see below), whose sum is σ = 69612230520. Its totient is φ = 11786196480.
The previous prime is 30202130009. The next prime is 30202130131. The reversal of 30202130120 is 2103120203.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 8175414724 + 22026715396 = 90418^2 + 148414^2 .
It is a super-2 number, since 2×302021301202 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30202130095 and 30202130104.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9206327 + ... + 9209606.
Almost surely, 230202130120 is an apocalyptic number.
It is an amenable number.
30202130120 is an abundant number, since it is smaller than the sum of its proper divisors (39410100400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30202130120 is a wasteful number, since it uses less digits than its factorization.
30202130120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18415985 (or 18415981 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 30202130120 its reverse (2103120203), we get a palindrome (32305250323).
The spelling of 30202130120 in words is "thirty billion, two hundred two million, one hundred thirty thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •