Base | Representation |
---|---|
bin | 10110100111100100… |
… | …11100110001100000 |
3 | 1011100021111001021200 |
4 | 23103302130301200 |
5 | 144332121332344 |
6 | 5324541521200 |
7 | 606630043110 |
oct | 132362346140 |
9 | 34307431250 |
10 | 12143152224 |
11 | 5171546aa5 |
12 | 242a873200 |
13 | 11b6a06898 |
14 | 832a43040 |
15 | 4b10eb069 |
hex | 2d3c9cc60 |
12143152224 has 144 divisors (see below), whose sum is σ = 41786847648. Its totient is φ = 3265376256.
The previous prime is 12143152213. The next prime is 12143152249. The reversal of 12143152224 is 42225134121.
12143152224 is a `hidden beast` number, since 1 + 2 + 1 + 431 + 5 + 2 + 224 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×121431522242 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142887 + ... + 211430.
It is an arithmetic number, because the mean of its divisors is an integer number (290186442).
Almost surely, 212143152224 is an apocalyptic number.
12143152224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12143152224 is an abundant number, since it is smaller than the sum of its proper divisors (29643695424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12143152224 is a wasteful number, since it uses less digits than its factorization.
12143152224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 354357 (or 354346 counting only the distinct ones).
The product of its digits is 3840, while the sum is 27.
Adding to 12143152224 its reverse (42225134121), we get a palindrome (54368286345).
The spelling of 12143152224 in words is "twelve billion, one hundred forty-three million, one hundred fifty-two thousand, two hundred twenty-four".
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