Base | Representation |
---|---|
bin | 10111101100111010… |
… | …00110011101111100 |
3 | 1012211210212200222000 |
4 | 23312131012131330 |
5 | 202030014232041 |
6 | 5502355422300 |
7 | 630221442660 |
oct | 136635063574 |
9 | 35753780860 |
10 | 12724758396 |
11 | 543a881359 |
12 | 25715b4990 |
13 | 127a36214c |
14 | 889d9c8a0 |
15 | 4e71d3bb6 |
hex | 2f674677c |
12724758396 has 96 divisors (see below), whose sum is σ = 38000148480. Its totient is φ = 3606990912.
The previous prime is 12724758377. The next prime is 12724758433. The reversal of 12724758396 is 69385742721.
It is a happy number.
12724758396 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 475 + 83 + 96 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29746 + ... + 162278.
It is an arithmetic number, because the mean of its divisors is an integer number (395834880).
Almost surely, 212724758396 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12724758396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19000074240).
12724758396 is an abundant number, since it is smaller than the sum of its proper divisors (25275390084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12724758396 is a wasteful number, since it uses less digits than its factorization.
12724758396 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132680 (or 132672 counting only the distinct ones).
The product of its digits is 5080320, while the sum is 54.
The spelling of 12724758396 in words is "twelve billion, seven hundred twenty-four million, seven hundred fifty-eight thousand, three hundred ninety-six".
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