Base | Representation |
---|---|
bin | 110000100100000011… |
… | …000111101011011111 |
3 | 11222121000220020120020 |
4 | 300210003013223133 |
5 | 1323242431431330 |
6 | 35542123323223 |
7 | 3524121063000 |
oct | 604403075337 |
9 | 158530806506 |
10 | 52144405215 |
11 | 20129180471 |
12 | a133080513 |
13 | 4bc0107556 |
14 | 27494591a7 |
15 | 1552c7e210 |
hex | c240c7adf |
52144405215 has 64 divisors (see below), whose sum is σ = 98891289600. Its totient is φ = 23446523520.
The previous prime is 52144405207. The next prime is 52144405217. The reversal of 52144405215 is 51250444125.
It is a happy number.
52144405215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 52144405215 - 23 = 52144405207 is a prime.
It is a super-2 number, since 2×521444052152 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52144405217) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230772 + ... + 396918.
It is an arithmetic number, because the mean of its divisors is an integer number (1545176400).
Almost surely, 252144405215 is an apocalyptic number.
52144405215 is a deficient number, since it is larger than the sum of its proper divisors (46746884385).
52144405215 is a wasteful number, since it uses less digits than its factorization.
52144405215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166237 (or 166223 counting only the distinct ones).
The product of its (nonzero) digits is 32000, while the sum is 33.
The spelling of 52144405215 in words is "fifty-two billion, one hundred forty-four million, four hundred five thousand, two hundred fifteen".
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