Base | Representation |
---|---|
bin | 11000110011000010… |
… | …01001110010011011 |
3 | 1021100210210122110210 |
4 | 30121201021302123 |
5 | 204231113220011 |
6 | 10041012142203 |
7 | 650623554342 |
oct | 143141116233 |
9 | 37323718423 |
10 | 13313023131 |
11 | 5711944361 |
12 | 26b6607963 |
13 | 13421ac3a5 |
14 | 90416cb59 |
15 | 52db846a6 |
hex | 319849c9b |
13313023131 has 8 divisors (see below), whose sum is σ = 17765336080. Its totient is φ = 8868029472.
The previous prime is 13313023109. The next prime is 13313023147. The reversal of 13313023131 is 13132031331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13313023131 - 229 = 12776152219 is a prime.
It is a super-2 number, since 2×133130231312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13313023098 and 13313023107.
It is not an unprimeable number, because it can be changed into a prime (13313023181) 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, 1825576 + ... + 1832853.
It is an arithmetic number, because the mean of its divisors is an integer number (2220667010).
Almost surely, 213313023131 is an apocalyptic number.
13313023131 is a deficient number, since it is larger than the sum of its proper divisors (4452312949).
13313023131 is a wasteful number, since it uses less digits than its factorization.
13313023131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3659645.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 13313023131 its reverse (13132031331), we get a palindrome (26445054462).
The spelling of 13313023131 in words is "thirteen billion, three hundred thirteen million, twenty-three thousand, one hundred thirty-one".
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