Base | Representation |
---|---|
bin | 10110100111101011… |
… | …01111001101100101 |
3 | 1011100100002211200000 |
4 | 23103311233031211 |
5 | 144332331423211 |
6 | 5325012211513 |
7 | 606640263105 |
oct | 132365571545 |
9 | 34310084600 |
10 | 12144014181 |
11 | 5171a85662 |
12 | 242b009b99 |
13 | 11b6c49010 |
14 | 832bc9205 |
15 | 4b121b656 |
hex | 2d3d6f365 |
12144014181 has 96 divisors (see below), whose sum is σ = 20055654528. Its totient is φ = 7297931520.
The previous prime is 12144014159. The next prime is 12144014257. The reversal of 12144014181 is 18141044121.
12144014181 is a `hidden beast` number, since 1 + 2 + 1 + 440 + 141 + 81 = 666.
It is not a de Polignac number, because 12144014181 - 26 = 12144014117 is a prime.
It is a super-2 number, since 2×121440141812 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12144014101) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38309035 + ... + 38309351.
It is an arithmetic number, because the mean of its divisors is an integer number (208913068).
Almost surely, 212144014181 is an apocalyptic number.
It is an amenable number.
12144014181 is a deficient number, since it is larger than the sum of its proper divisors (7911640347).
12144014181 is a wasteful number, since it uses less digits than its factorization.
12144014181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 593 (or 581 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 27.
The spelling of 12144014181 in words is "twelve billion, one hundred forty-four million, fourteen thousand, one hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •