Base | Representation |
---|---|
bin | 101111111110001111… |
… | …1011111011010000001 |
3 | 100211220122222121002201 |
4 | 1133330133133122001 |
5 | 3141441203030340 |
6 | 115154335513201 |
7 | 10304640423466 |
oct | 1377437373201 |
9 | 324818877081 |
10 | 103020361345 |
11 | 3a766343300 |
12 | 17b71388801 |
13 | 993a4a29c5 |
14 | 4db424766d |
15 | 2a2e4a179a |
hex | 17fc7df681 |
103020361345 has 12 divisors (see below), whose sum is σ = 135884708820. Its totient is φ = 74923898720.
The previous prime is 103020361333. The next prime is 103020361387. The reversal of 103020361345 is 543163020301.
It can be written as a sum of positive squares in 2 ways, for example, as 78162739776 + 24857621569 = 279576^2 + 157663^2 .
It is not a de Polignac number, because 103020361345 - 25 = 103020361313 is a prime.
It is a super-2 number, since 2×1030203613452 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85140190 + ... + 85141399.
It is an arithmetic number, because the mean of its divisors is an integer number (11323725735).
Almost surely, 2103020361345 is an apocalyptic number.
It is an amenable number.
103020361345 is a deficient number, since it is larger than the sum of its proper divisors (32864347475).
103020361345 is a wasteful number, since it uses less digits than its factorization.
103020361345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170281616 (or 170281605 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 28.
Adding to 103020361345 its reverse (543163020301), we get a palindrome (646183381646).
The spelling of 103020361345 in words is "one hundred three billion, twenty million, three hundred sixty-one thousand, three hundred forty-five".
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