Base | Representation |
---|---|
bin | 110100100110000000010110… |
… | …110111100000101110100100 |
3 | 1010100000000220112021201210202 |
4 | 310212000112313200232210 |
5 | 220304241132420002400 |
6 | 2135542225030010032 |
7 | 66502414650132641 |
oct | 6446002667405644 |
9 | 1110000815251722 |
10 | 231310142344100 |
11 | 67780098123856 |
12 | 21b395567a6918 |
13 | 9c0b5b6b30cb1 |
14 | 4119683572dc8 |
15 | 1bb1d933b74d5 |
hex | d26016de0ba4 |
231310142344100 has 144 divisors (see below), whose sum is σ = 513482538014208. Its totient is φ = 90403642613760.
The previous prime is 231310142344093. The next prime is 231310142344153. The reversal of 231310142344100 is 1443241013132.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12630916544 + ... + 12630934856.
It is an arithmetic number, because the mean of its divisors is an integer number (3565850958432).
Almost surely, 2231310142344100 is an apocalyptic number.
231310142344100 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 231310142344100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256741269007104).
231310142344100 is an abundant number, since it is smaller than the sum of its proper divisors (282172395670108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231310142344100 is a wasteful number, since it uses less digits than its factorization.
231310142344100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22734 (or 22727 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 29.
Adding to 231310142344100 its reverse (1443241013132), we get a palindrome (232753383357232).
The spelling of 231310142344100 in words is "two hundred thirty-one trillion, three hundred ten billion, one hundred forty-two million, three hundred forty-four thousand, one hundred".
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