Base | Representation |
---|---|
bin | 110011110010111010… |
… | …0111001011001000110 |
3 | 101122002210221001021201 |
4 | 1213211310321121012 |
5 | 3310244342001210 |
6 | 123033125333114 |
7 | 11015245444630 |
oct | 1474564713106 |
9 | 348083831251 |
10 | 111230031430 |
11 | 431994a8a11 |
12 | 1968286719a |
13 | a6482a775b |
14 | 55526cda50 |
15 | 2d600b653a |
hex | 19e5d39646 |
111230031430 has 128 divisors (see below), whose sum is σ = 240869376000. Its totient is φ = 36179360640.
The previous prime is 111230031389. The next prime is 111230031457. The reversal of 111230031430 is 34130032111.
111230031430 is digitally balanced in base 3, because in such base 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 = 111230031398 and 111230031407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56204181 + ... + 56206159.
It is an arithmetic number, because the mean of its divisors is an integer number (1881792000).
Almost surely, 2111230031430 is an apocalyptic number.
111230031430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
111230031430 is an abundant number, since it is smaller than the sum of its proper divisors (129639344570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111230031430 is a wasteful number, since it uses less digits than its factorization.
111230031430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2522.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 111230031430 its reverse (34130032111), we get a palindrome (145360063541).
The spelling of 111230031430 in words is "one hundred eleven billion, two hundred thirty million, thirty-one thousand, four hundred thirty".
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