Base | Representation |
---|---|
bin | 10110110100101011… |
… | …11110110110110000 |
3 | 1011121221102111122120 |
4 | 23122111332312300 |
5 | 200043300131120 |
6 | 5343511034240 |
7 | 612433613355 |
oct | 133225766660 |
9 | 34557374576 |
10 | 12253130160 |
11 | 5218633057 |
12 | 245b66b980 |
13 | 1203731b9b |
14 | 8434b062c |
15 | 4baac2140 |
hex | 2da57edb0 |
12253130160 has 80 divisors (see below), whose sum is σ = 39011345376. Its totient is φ = 3179188224.
The previous prime is 12253130143. The next prime is 12253130161. The reversal of 12253130160 is 6103135221.
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 (24).
It is a self number, because there is not a number n which added to its sum of digits gives 12253130160.
It is not an unprimeable number, because it can be changed into a prime (12253130161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681049 + ... + 698808.
Almost surely, 212253130160 is an apocalyptic number.
12253130160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12253130160 is an abundant number, since it is smaller than the sum of its proper divisors (26758215216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12253130160 is a wasteful number, since it uses less digits than its factorization.
12253130160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1379910 (or 1379904 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
Adding to 12253130160 its reverse (6103135221), we get a palindrome (18356265381).
The spelling of 12253130160 in words is "twelve billion, two hundred fifty-three million, one hundred thirty thousand, one hundred sixty".
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