Base | Representation |
---|---|
bin | 110100100100011001111111… |
… | …000011010010101011000110 |
3 | 1010022121112011221002122002110 |
4 | 310210121333003102223012 |
5 | 220300441023101104110 |
6 | 2135415525412321450 |
7 | 66461444003110341 |
oct | 6444317703225306 |
9 | 1108545157078073 |
10 | 231200221113030 |
11 | 67738510493a34 |
12 | 21b2019a313286 |
13 | 9c01119a53030 |
14 | 4114216a15458 |
15 | 1bae0ad17da20 |
hex | d2467f0d2ac6 |
231200221113030 has 128 divisors (see below), whose sum is σ = 621484422451200. Its totient is φ = 54676048412160.
The previous prime is 231200221113023. The next prime is 231200221113031. The reversal of 231200221113030 is 30311122002132.
231200221113030 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 231200221112988 and 231200221113006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231200221113031) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111981430 + ... + 114027369.
It is an arithmetic number, because the mean of its divisors is an integer number (4855347050400).
Almost surely, 2231200221113030 is an apocalyptic number.
231200221113030 is an abundant number, since it is smaller than the sum of its proper divisors (390284201338170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231200221113030 is a wasteful number, since it uses less digits than its factorization.
231200221113030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226008926.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 231200221113030 its reverse (30311122002132), we get a palindrome (261511343115162).
The spelling of 231200221113030 in words is "two hundred thirty-one trillion, two hundred billion, two hundred twenty-one million, one hundred thirteen thousand, thirty".
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