| Base | Representation |
|---|---|
| bin | 111100101011100100… |
| … | …1001000110110011100 |
| 3 | 110110100121012022121200 |
| 4 | 1321113021020312130 |
| 5 | 4113334111012340 |
| 6 | 135510345355500 |
| 7 | 12262141332555 |
| oct | 1712711106634 |
| 9 | 413317168550 |
| 10 | 130311032220 |
| 11 | 502a01a9256 |
| 12 | 21308a98b90 |
| 13 | c399465c75 |
| 14 | 644291132c |
| 15 | 35ca301330 |
| hex | 1e57248d9c |
130311032220 has 144 divisors (see below), whose sum is σ = 416262581280. Its totient is φ = 32906304000.
The previous prime is 130311032197. The next prime is 130311032227. The reversal of 130311032220 is 22230113031.
130311032220 is a `hidden beast` number, since 1 + 30 + 311 + 0 + 322 + 2 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 130311032193 and 130311032202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130311032227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9367270 + ... + 9381170.
It is an arithmetic number, because the mean of its divisors is an integer number (2890712370).
Almost surely, 2130311032220 is an apocalyptic number.
130311032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130311032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208131290640).
130311032220 is an abundant number, since it is smaller than the sum of its proper divisors (285951549060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130311032220 is a wasteful number, since it uses less digits than its factorization.
130311032220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16676 (or 16671 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 130311032220 its reverse (22230113031), we get a palindrome (152541145251).
The spelling of 130311032220 in words is "one hundred thirty billion, three hundred eleven million, thirty-two thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •