Base | Representation |
---|---|
bin | 111100101000100100… |
… | …0100110111100000100 |
3 | 110110002120112000222212 |
4 | 1321101020212330010 |
5 | 4113132304330040 |
6 | 135452345042552 |
7 | 12256505456603 |
oct | 1712110467404 |
9 | 413076460885 |
10 | 130210230020 |
11 | 5024930a052 |
12 | 2129b186458 |
13 | c3816012b0 |
14 | 6433391a3a |
15 | 35c153dd65 |
hex | 1e51226f04 |
130210230020 has 24 divisors (see below), whose sum is σ = 294475443864. Its totient is φ = 48077623296.
The previous prime is 130210229977. The next prime is 130210230043. The reversal of 130210230020 is 20032012031.
It is a happy number.
130210230020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 30308720836 + 99901509184 = 174094^2 + 316072^2 .
It is a super-2 number, since 2×1302102300202 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130210229977 and 130210230004.
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, 250404029 + ... + 250404548.
It is an arithmetic number, because the mean of its divisors is an integer number (12269810161).
Almost surely, 2130210230020 is an apocalyptic number.
130210230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130210230020 is an abundant number, since it is smaller than the sum of its proper divisors (164265213844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130210230020 is a wasteful number, since it uses less digits than its factorization.
130210230020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500808599 (or 500808597 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 130210230020 its reverse (20032012031), we get a palindrome (150242242051).
The spelling of 130210230020 in words is "one hundred thirty billion, two hundred ten million, two hundred thirty thousand, twenty".
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