Base | Representation |
---|---|
bin | 10110100111101100… |
… | …01110010001010101 |
3 | 1011100100100022011201 |
4 | 23103312032101111 |
5 | 144332400011042 |
6 | 5325015032501 |
7 | 606641333023 |
oct | 132366162125 |
9 | 34310308151 |
10 | 12144141397 |
11 | 51720621a3 |
12 | 242b06b731 |
13 | 11b6c91bab |
14 | 832c1d713 |
15 | 4b12441b7 |
hex | 2d3d8e455 |
12144141397 has 4 divisors (see below), whose sum is σ = 12147206656. Its totient is φ = 12141076140.
The previous prime is 12144141391. The next prime is 12144141409. The reversal of 12144141397 is 79314144121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12144141397 - 211 = 12144139349 is a prime.
It is a super-3 number, since 3×121441413973 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12144141391) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526679 + ... + 1534612.
It is an arithmetic number, because the mean of its divisors is an integer number (3036801664).
Almost surely, 212144141397 is an apocalyptic number.
It is an amenable number.
12144141397 is a deficient number, since it is larger than the sum of its proper divisors (3065259).
12144141397 is an equidigital number, since it uses as much as digits as its factorization.
12144141397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3065258.
The product of its digits is 24192, while the sum is 37.
The spelling of 12144141397 in words is "twelve billion, one hundred forty-four million, one hundred forty-one thousand, three hundred ninety-seven".
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