Base | Representation |
---|---|
bin | 10110100110010000… |
… | …11000011100001111 |
3 | 1011022111201202222220 |
4 | 23103020120130033 |
5 | 144321310440211 |
6 | 5323505310423 |
7 | 606434233110 |
oct | 132310303417 |
9 | 34274652886 |
10 | 12132124431 |
11 | 51662a4719 |
12 | 2427035413 |
13 | 11b464526b |
14 | 8313b2207 |
15 | 4b016d806 |
hex | 2d321870f |
12132124431 has 16 divisors (see below), whose sum is σ = 18488642304. Its totient is φ = 6932044224.
The previous prime is 12132124427. The next prime is 12132124457. The reversal of 12132124431 is 13442123121.
It is not a de Polignac number, because 12132124431 - 22 = 12132124427 is a prime.
It is a super-3 number, since 3×121321244313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12132124421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368800 + ... + 400346.
It is an arithmetic number, because the mean of its divisors is an integer number (1155540144).
Almost surely, 212132124431 is an apocalyptic number.
12132124431 is a deficient number, since it is larger than the sum of its proper divisors (6356517873).
12132124431 is a wasteful number, since it uses less digits than its factorization.
12132124431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49870.
The product of its digits is 1152, while the sum is 24.
Adding to 12132124431 its reverse (13442123121), we get a palindrome (25574247552).
The spelling of 12132124431 in words is "twelve billion, one hundred thirty-two million, one hundred twenty-four thousand, four hundred thirty-one".
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