Base | Representation |
---|---|
bin | 110100100110101000110101… |
… | …111011010011011111100000 |
3 | 1010100011012010002012012100200 |
4 | 310212220311323103133200 |
5 | 220310444144423330440 |
6 | 2140014214351145200 |
7 | 66505514130404352 |
oct | 6446506573233740 |
9 | 1110135102165320 |
10 | 231353613105120 |
11 | 67797575248a30 |
12 | 21b45a68b15200 |
13 | 9c12723c833ac |
14 | 411b808a8b0d2 |
15 | 1bb3089932c30 |
hex | d26a35ed37e0 |
231353613105120 has 1152 divisors, whose sum is σ = 886631243097600. Its totient is φ = 54450858147840.
The previous prime is 231353613105089. The next prime is 231353613105151. The reversal of 231353613105120 is 21501316353132.
231353613105120 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 5 + 3 + 6 + 131 + 0 + 512 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (231353613105089) and next prime (231353613105151).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 85718269531 + ... + 85718272229.
It is an arithmetic number, because the mean of its divisors is an integer number (769645176300).
Almost surely, 2231353613105120 is an apocalyptic number.
231353613105120 is a gapful number since it is divisible by the number (20) 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 231353613105120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443315621548800).
231353613105120 is an abundant number, since it is smaller than the sum of its proper divisors (655277629992480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231353613105120 is a wasteful number, since it uses less digits than its factorization.
231353613105120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3488 (or 3477 counting only the distinct ones).
The product of its (nonzero) digits is 48600, while the sum is 36.
Adding to 231353613105120 its reverse (21501316353132), we get a palindrome (252854929458252).
The spelling of 231353613105120 in words is "two hundred thirty-one trillion, three hundred fifty-three billion, six hundred thirteen million, one hundred five thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •