Base | Representation |
---|---|
bin | 10001101011110101100… |
… | …101100010000101000100 |
3 | 11022011220102022012002211 |
4 | 101223311211202011010 |
5 | 124402414031044213 |
6 | 2330145050513204 |
7 | 153542202230344 |
oct | 21536545420504 |
9 | 4264812265084 |
10 | 1215301034308 |
11 | 429451829699 |
12 | 177649a35804 |
13 | 8a7aa60456a |
14 | 42b6c710d24 |
15 | 2192d16553d |
hex | 11af5962144 |
1215301034308 has 48 divisors (see below), whose sum is σ = 2265379885440. Its totient is φ = 568834272000.
The previous prime is 1215301034303. The next prime is 1215301034309. The reversal of 1215301034308 is 8034301035121.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1215301034308.
It is not an unprimeable number, because it can be changed into a prime (1215301034303) 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, 3703648 + ... + 4018408.
It is an arithmetic number, because the mean of its divisors is an integer number (47195414280).
Almost surely, 21215301034308 is an apocalyptic number.
It is an amenable number.
1215301034308 is a deficient number, since it is larger than the sum of its proper divisors (1050078851132).
1215301034308 is a wasteful number, since it uses less digits than its factorization.
1215301034308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315388 (or 315386 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
Adding to 1215301034308 its reverse (8034301035121), we get a palindrome (9249602069429).
The spelling of 1215301034308 in words is "one trillion, two hundred fifteen billion, three hundred one million, thirty-four thousand, three hundred eight".
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