Base | Representation |
---|---|
bin | 110100100101111001000100… |
… | …111011001011010001000000 |
3 | 1010022222021201201210201012110 |
4 | 310211321010323023101000 |
5 | 220304124130212401422 |
6 | 2135534453215455320 |
7 | 66502020145631166 |
oct | 6445710473132100 |
9 | 1108867651721173 |
10 | 231302325122112 |
11 | 67777846546212 |
12 | 21b37b34827540 |
13 | 9c0a93c42535a |
14 | 4119141287236 |
15 | 1bb1a86e7360c |
hex | d25e44ecb440 |
231302325122112 has 224 divisors, whose sum is σ = 626974556730624. Its totient is φ = 75235449856000.
The previous prime is 231302325122053. The next prime is 231302325122123. The reversal of 231302325122112 is 211221523203132.
It is a super-2 number, since 2×2313023251221122 (a number of 30 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 231302325122112.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4071263818 + ... + 4071320630.
Almost surely, 2231302325122112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231302325122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313487278365312).
231302325122112 is an abundant number, since it is smaller than the sum of its proper divisors (395672231608512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231302325122112 is a wasteful number, since it uses less digits than its factorization.
231302325122112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59957 (or 59947 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
Adding to 231302325122112 its reverse (211221523203132), we get a palindrome (442523848325244).
The spelling of 231302325122112 in words is "two hundred thirty-one trillion, three hundred two billion, three hundred twenty-five million, one hundred twenty-two thousand, one hundred twelve".
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