Base | Representation |
---|---|
bin | 1110001101001101010001… |
… | …10111010011100101000101 |
3 | 11002121112020101110222021200 |
4 | 13012212220313103211011 |
5 | 13043314241313323323 |
6 | 150235303453333113 |
7 | 6403011356315304 |
oct | 706465067234505 |
9 | 132545211428250 |
10 | 31240130214213 |
11 | 9a54957094038 |
12 | 3606668497199 |
13 | 1457c15a6b62b |
14 | 7a005d49a43b |
15 | 392962b1d443 |
hex | 1c69a8dd3945 |
31240130214213 has 48 divisors (see below), whose sum is σ = 47074940729856. Its totient is φ = 19949844983040.
The previous prime is 31240130214203. The next prime is 31240130214341. The reversal of 31240130214213 is 31241203104213.
31240130214213 is a `hidden beast` number, since 3 + 1 + 2 + 401 + 30 + 2 + 14 + 213 = 666.
It is not a de Polignac number, because 31240130214213 - 24 = 31240130214197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31240130214203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318195 + ... + 7910847.
It is an arithmetic number, because the mean of its divisors is an integer number (980727931872).
Almost surely, 231240130214213 is an apocalyptic number.
It is an amenable number.
31240130214213 is a deficient number, since it is larger than the sum of its proper divisors (15834810515643).
31240130214213 is a wasteful number, since it uses less digits than its factorization.
31240130214213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7592914 (or 7592911 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 31240130214213 its reverse (31241203104213), we get a palindrome (62481333318426).
The spelling of 31240130214213 in words is "thirty-one trillion, two hundred forty billion, one hundred thirty million, two hundred fourteen thousand, two hundred thirteen".
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