Base | Representation |
---|---|
bin | 10110101011110111… |
… | …11011110110100101 |
3 | 1011102210022010021121 |
4 | 23111323323312211 |
5 | 144420333141003 |
6 | 5332310213541 |
7 | 610545302023 |
oct | 132573736645 |
9 | 34383263247 |
10 | 12179193253 |
11 | 518a923177 |
12 | 243a9542b1 |
13 | 11c1315436 |
14 | 837745713 |
15 | 4b4369cbd |
hex | 2d5efbda5 |
12179193253 has 12 divisors (see below), whose sum is σ = 12309518988. Its totient is φ = 12049769600.
The previous prime is 12179193217. The next prime is 12179193269. The reversal of 12179193253 is 35239197121.
It can be written as a sum of positive squares in 2 ways, for example, as 11686042404 + 493150849 = 108102^2 + 22207^2 .
It is a de Polignac number, because none of the positive numbers 2k-12179193253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12179193853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29067078 + ... + 29067496.
It is an arithmetic number, because the mean of its divisors is an integer number (1025793249).
Almost surely, 212179193253 is an apocalyptic number.
It is an amenable number.
12179193253 is a deficient number, since it is larger than the sum of its proper divisors (130325735).
12179193253 is an frugal number, since it uses more digits than its factorization.
12179193253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1412 (or 993 counting only the distinct ones).
The product of its digits is 102060, while the sum is 43.
The spelling of 12179193253 in words is "twelve billion, one hundred seventy-nine million, one hundred ninety-three thousand, two hundred fifty-three".
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