Base | Representation |
---|---|
bin | 10110100110001000… |
… | …11110010110000000 |
3 | 1011022102210201210012 |
4 | 23103010132112000 |
5 | 144321030200112 |
6 | 5323431324052 |
7 | 606422435402 |
oct | 132304362600 |
9 | 34272721705 |
10 | 12131100032 |
11 | 5165765007 |
12 | 2426820628 |
13 | 11b4376bcc |
14 | 8311c6b72 |
15 | 4b001a022 |
hex | 2d311e580 |
12131100032 has 16 divisors (see below), whose sum is σ = 24167426100. Its totient is φ = 6065549952.
The previous prime is 12131099969. The next prime is 12131100041. The reversal of 12131100032 is 23000113121.
It is a tau number, because it is divible by the number of its divisors (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47386982 + ... + 47387237.
Almost surely, 212131100032 is an apocalyptic number.
It is an amenable number.
12131100032 is a deficient number, since it is larger than the sum of its proper divisors (12036326068).
12131100032 is an frugal number, since it uses more digits than its factorization.
12131100032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94774233 (or 94774221 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 12131100032 its reverse (23000113121), we get a palindrome (35131213153).
The spelling of 12131100032 in words is "twelve billion, one hundred thirty-one million, one hundred thousand, thirty-two".
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