Base | Representation |
---|---|
bin | 1101110010001011100110… |
… | …11101001010000010000110 |
3 | 10222022202100000211221221211 |
4 | 12321011303131022002012 |
5 | 12433110443413342412 |
6 | 144244530504202034 |
7 | 6245635516225345 |
oct | 671056335120206 |
9 | 128282300757854 |
10 | 30311521230982 |
11 | 9727053573752 |
12 | 34966ab16931a |
13 | 13bb4971720a4 |
14 | 76b12a6bdb5c |
15 | 378713b85ca7 |
hex | 1b917374a086 |
30311521230982 has 16 divisors (see below), whose sum is σ = 50234950788192. Its totient is φ = 13644060707200.
The previous prime is 30311521230967. The next prime is 30311521230983. The reversal of 30311521230982 is 28903212511303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30311521230983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19380767269 + ... + 19380768832.
It is an arithmetic number, because the mean of its divisors is an integer number (3139684424262).
Almost surely, 230311521230982 is an apocalyptic number.
30311521230982 is a deficient number, since it is larger than the sum of its proper divisors (19923429557210).
30311521230982 is a wasteful number, since it uses less digits than its factorization.
30311521230982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38761536143.
The product of its (nonzero) digits is 77760, while the sum is 40.
The spelling of 30311521230982 in words is "thirty trillion, three hundred eleven billion, five hundred twenty-one million, two hundred thirty thousand, nine hundred eighty-two".
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