Base | Representation |
---|---|
bin | 111100101001001100… |
… | …0100110101000111000 |
3 | 110110011000222102211100 |
4 | 1321102120212220320 |
5 | 4113203141402222 |
6 | 135454414331400 |
7 | 12260151636513 |
oct | 1712230465070 |
9 | 413130872740 |
10 | 130231200312 |
11 | 5025a132374 |
12 | 212a61b9b60 |
13 | c385a64255 |
14 | 643608dd7a |
15 | 35c32d24ac |
hex | 1e52626a38 |
130231200312 has 24 divisors (see below), whose sum is σ = 352709501040. Its totient is φ = 43410400080.
The previous prime is 130231200301. The next prime is 130231200313. The reversal of 130231200312 is 213002132031.
130231200312 is a `hidden beast` number, since 1 + 302 + 31 + 20 + 0 + 312 = 666.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130231200313) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 904383264 + ... + 904383407.
It is an arithmetic number, because the mean of its divisors is an integer number (14696229210).
Almost surely, 2130231200312 is an apocalyptic number.
130231200312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130231200312 is an abundant number, since it is smaller than the sum of its proper divisors (222478300728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130231200312 is a wasteful number, since it uses less digits than its factorization.
130231200312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1808766683 (or 1808766676 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 130231200312 its reverse (213002132031), we get a palindrome (343233332343).
The spelling of 130231200312 in words is "one hundred thirty billion, two hundred thirty-one million, two hundred thousand, three hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •