Base | Representation |
---|---|
bin | 10110100011110000… |
… | …10101111000011110 |
3 | 1011021001020210002202 |
4 | 23101320111320132 |
5 | 144300423024210 |
6 | 5321435451502 |
7 | 606061004102 |
oct | 132170257036 |
9 | 34231223082 |
10 | 12111142430 |
11 | 5155473622 |
12 | 241bbb6b92 |
13 | 11b01a9b8a |
14 | 82c6ad902 |
15 | 4ad3c69a5 |
hex | 2d1e15e1e |
12111142430 has 16 divisors (see below), whose sum is σ = 22747885344. Its totient is φ = 4633828320.
The previous prime is 12111142411. The next prime is 12111142447. The reversal of 12111142430 is 3424111121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26328341 + ... + 26328800.
It is an arithmetic number, because the mean of its divisors is an integer number (1421742834).
Almost surely, 212111142430 is an apocalyptic number.
12111142430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12111142430 is a deficient number, since it is larger than the sum of its proper divisors (10636742914).
12111142430 is a wasteful number, since it uses less digits than its factorization.
12111142430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52657171.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 12111142430 its reverse (3424111121), we get a palindrome (15535253551).
The spelling of 12111142430 in words is "twelve billion, one hundred eleven million, one hundred forty-two thousand, four hundred thirty".
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