Base | Representation |
---|---|
bin | 10111010111010001… |
… | …11100100011110000 |
3 | 1012101011110101021010 |
4 | 23223220330203300 |
5 | 201142042023120 |
6 | 5432354430520 |
7 | 622556261016 |
oct | 135350744360 |
9 | 35334411233 |
10 | 12543314160 |
11 | 5357412643 |
12 | 2520892440 |
13 | 124b8a3ab0 |
14 | 86dc4a8b6 |
15 | 4d62e27e0 |
hex | 2eba3c8f0 |
12543314160 has 80 divisors (see below), whose sum is σ = 41875382304. Its totient is φ = 3087584256.
The previous prime is 12543314123. The next prime is 12543314177. The reversal of 12543314160 is 6141334521.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007027 + ... + 2013266.
Almost surely, 212543314160 is an apocalyptic number.
12543314160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12543314160 is an abundant number, since it is smaller than the sum of its proper divisors (29332068144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12543314160 is a wasteful number, since it uses less digits than its factorization.
12543314160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4020322 (or 4020316 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
Adding to 12543314160 its reverse (6141334521), we get a palindrome (18684648681).
It can be divided in two parts, 1254331 and 4160, that added together give a triangular number (1258491 = T1586).
The spelling of 12543314160 in words is "twelve billion, five hundred forty-three million, three hundred fourteen thousand, one hundred sixty".
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