Base | Representation |
---|---|
bin | 1011001101001011011111… |
… | …0011111100101100110111 |
3 | 1121121212210011101122022010 |
4 | 2303102313303330230313 |
5 | 3103332002303202211 |
6 | 42112113502535303 |
7 | 2411111051312130 |
oct | 263226763745467 |
9 | 47555704348263 |
10 | 12321050053431 |
11 | 3a20367600879 |
12 | 146ba9a897533 |
13 | 6b4b40609ac2 |
14 | 3084b0662c87 |
15 | 1657736174a6 |
hex | b34b7cfcb37 |
12321050053431 has 32 divisors (see below), whose sum is σ = 18928063479808. Its totient is φ = 6983207290080.
The previous prime is 12321050053397. The next prime is 12321050053441. The reversal of 12321050053431 is 13435005012321.
It is not a de Polignac number, because 12321050053431 - 27 = 12321050053303 is a prime.
It is a super-2 number, since 2×123210500534312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12321050053441) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8911176 + ... + 10200546.
It is an arithmetic number, because the mean of its divisors is an integer number (591501983744).
Almost surely, 212321050053431 is an apocalyptic number.
12321050053431 is a deficient number, since it is larger than the sum of its proper divisors (6607013426377).
12321050053431 is a wasteful number, since it uses less digits than its factorization.
12321050053431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1293091.
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 12321050053431 its reverse (13435005012321), we get a palindrome (25756055065752).
The spelling of 12321050053431 in words is "twelve trillion, three hundred twenty-one billion, fifty million, fifty-three thousand, four hundred thirty-one".
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