Base | Representation |
---|---|
bin | 1101110010001101000101… |
… | …00110100000111000010101 |
3 | 10222022211101011020000022121 |
4 | 12321012202212200320111 |
5 | 12433114103411304023 |
6 | 144245141201455541 |
7 | 6245664232402405 |
oct | 671064246407025 |
9 | 128284334200277 |
10 | 30312312213013 |
11 | 972741a005206 |
12 | 34968900415b1 |
13 | 13bb591cb83ac |
14 | 76b1a377c805 |
15 | 37875d32ad5d |
hex | 1b91a29a0e15 |
30312312213013 has 16 divisors (see below), whose sum is σ = 30824599349376. Its totient is φ = 29800524853440.
The previous prime is 30312312212857. The next prime is 30312312213059. The reversal of 30312312213013 is 31031221321303.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30312312213013 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 (30312312214013) 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, 1171839706 + ... + 1171865572.
It is an arithmetic number, because the mean of its divisors is an integer number (1926537459336).
Almost surely, 230312312213013 is an apocalyptic number.
It is an amenable number.
30312312213013 is a deficient number, since it is larger than the sum of its proper divisors (512287136363).
30312312213013 is a wasteful number, since it uses less digits than its factorization.
30312312213013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34764.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 30312312213013 its reverse (31031221321303), we get a palindrome (61343533534316).
The spelling of 30312312213013 in words is "thirty trillion, three hundred twelve billion, three hundred twelve million, two hundred thirteen thousand, thirteen".
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