Base | Representation |
---|---|
bin | 100011100110001011110011… |
… | …1111000010000111011110101 |
3 | 1112001122010222221011110002112 |
4 | 1013030113213320100323311 |
5 | 312020003421042211041 |
6 | 3025533202422220405 |
7 | 122644354634325650 |
oct | 10714274770207365 |
9 | 1461563887143075 |
10 | 313111301132021 |
11 | 90848836770047 |
12 | 2b14b099284705 |
13 | 10593366000422 |
14 | 574694c778897 |
15 | 262eb24453deb |
hex | 11cc5e7e10ef5 |
313111301132021 has 16 divisors (see below), whose sum is σ = 375276193536000. Its totient is φ = 255422359173168.
The previous prime is 313111301132011. The next prime is 313111301132027. The reversal of 313111301132021 is 120231103111313.
It is a cyclic number.
It is not a de Polignac number, because 313111301132021 - 214 = 313111301115637 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313111301132027) 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, 4886376731 + ... + 4886440808.
It is an arithmetic number, because the mean of its divisors is an integer number (23454762096000).
Almost surely, 2313111301132021 is an apocalyptic number.
It is an amenable number.
313111301132021 is a deficient number, since it is larger than the sum of its proper divisors (62164892403979).
313111301132021 is a wasteful number, since it uses less digits than its factorization.
313111301132021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9772817768.
The product of its (nonzero) digits is 324, while the sum is 23.
Adding to 313111301132021 its reverse (120231103111313), we get a palindrome (433342404243334).
The spelling of 313111301132021 in words is "three hundred thirteen trillion, one hundred eleven billion, three hundred one million, one hundred thirty-two thousand, twenty-one".
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