Base | Representation |
---|---|
bin | 10110100111101110… |
… | …00000000000001110 |
3 | 1011100100201122121100 |
4 | 23103313000000032 |
5 | 144332423020402 |
6 | 5325023243530 |
7 | 606643141641 |
oct | 132367000016 |
9 | 34310648540 |
10 | 12144345102 |
11 | 517219124a |
12 | 242b1495a6 |
13 | 11b7033826 |
14 | 832c73a58 |
15 | 4b128471c |
hex | 2d3dc000e |
12144345102 has 24 divisors (see below), whose sum is σ = 27697629960. Its totient is φ = 3835056240.
The previous prime is 12144345079. The next prime is 12144345107. The reversal of 12144345102 is 20154344121.
12144345102 is a `hidden beast` number, since 1 + 2 + 144 + 3 + 4 + 510 + 2 = 666.
It is a super-3 number, since 3×121443451023 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12144345107) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17754549 + ... + 17755232.
It is an arithmetic number, because the mean of its divisors is an integer number (1154067915).
Almost surely, 212144345102 is an apocalyptic number.
12144345102 is an abundant number, since it is smaller than the sum of its proper divisors (15553284858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12144345102 is a wasteful number, since it uses less digits than its factorization.
12144345102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35509808 (or 35509805 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 12144345102 its reverse (20154344121), we get a palindrome (32298689223).
The spelling of 12144345102 in words is "twelve billion, one hundred forty-four million, three hundred forty-five thousand, one hundred two".
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