Base | Representation |
---|---|
bin | 111100100011000001… |
… | …101000111110111101 |
3 | 20012210210211000000121 |
4 | 330203001220332331 |
5 | 2031121102021023 |
6 | 45511031454541 |
7 | 4461030042430 |
oct | 744301507675 |
9 | 205723730017 |
10 | 65012142013 |
11 | 25631728595 |
12 | 10724527451 |
13 | 6190c7a5b0 |
14 | 320a3d5817 |
15 | 1a577a6d5d |
hex | f23068fbd |
65012142013 has 16 divisors (see below), whose sum is σ = 80310232576. Its totient is φ = 51248350080.
The previous prime is 65012142007. The next prime is 65012142023. The reversal of 65012142013 is 31024121056.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 65012142013 - 217 = 65012010941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65012142023) 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, 1293456 + ... + 1342777.
It is an arithmetic number, because the mean of its divisors is an integer number (5019389536).
Almost surely, 265012142013 is an apocalyptic number.
It is an amenable number.
65012142013 is a deficient number, since it is larger than the sum of its proper divisors (15298090563).
65012142013 is a wasteful number, since it uses less digits than its factorization.
65012142013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2636524.
The product of its (nonzero) digits is 1440, while the sum is 25.
Adding to 65012142013 its reverse (31024121056), we get a palindrome (96036263069).
It can be divided in two parts, 65012 and 142013, that added together give a square (207025 = 4552).
The spelling of 65012142013 in words is "sixty-five billion, twelve million, one hundred forty-two thousand, thirteen".
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