Base | Representation |
---|---|
bin | 10110100110010111… |
… | …10101110011011011 |
3 | 1011022120102211202101 |
4 | 23103023311303123 |
5 | 144322023444011 |
6 | 5323540544231 |
7 | 606445030414 |
oct | 132313656333 |
9 | 34276384671 |
10 | 12133031131 |
11 | 5166863961 |
12 | 24273b2077 |
13 | 11b48a1b80 |
14 | 83156a80b |
15 | 4b029c2c1 |
hex | 2d32f5cdb |
12133031131 has 8 divisors (see below), whose sum is σ = 13487836544. Its totient is φ = 10838439360.
The previous prime is 12133031117. The next prime is 12133031137. The reversal of 12133031131 is 13113033121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12133031131 - 27 = 12133031003 is a prime.
It is a super-2 number, since 2×121330311312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12133031099 and 12133031108.
It is not an unprimeable number, because it can be changed into a prime (12133031137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15052986 + ... + 15053791.
It is an arithmetic number, because the mean of its divisors is an integer number (1685979568).
Almost surely, 212133031131 is an apocalyptic number.
12133031131 is a deficient number, since it is larger than the sum of its proper divisors (1354805413).
12133031131 is a wasteful number, since it uses less digits than its factorization.
12133031131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30106821.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 12133031131 its reverse (13113033121), we get a palindrome (25246064252).
The spelling of 12133031131 in words is "twelve billion, one hundred thirty-three million, thirty-one thousand, one hundred thirty-one".
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