Base | Representation |
---|---|
bin | 11000110011000011… |
… | …11010100101110111 |
3 | 1021100211011210200111 |
4 | 30121201322211313 |
5 | 204231141114111 |
6 | 10041020323451 |
7 | 650625346213 |
oct | 143141724567 |
9 | 37324153614 |
10 | 13313223031 |
11 | 5711a70569 |
12 | 26b66a3587 |
13 | 134224c384 |
14 | 9041c1943 |
15 | 52dbc3a21 |
hex | 31987a977 |
13313223031 has 8 divisors (see below), whose sum is σ = 14015468720. Its totient is φ = 12611132352.
The previous prime is 13313223023. The next prime is 13313223047. The reversal of 13313223031 is 13032231331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13313223031 - 23 = 13313223023 is a prime.
It is a super-2 number, since 2×133132230312 (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 = 13313222993 and 13313223011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13313223631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165091 + ... + 232123.
It is an arithmetic number, because the mean of its divisors is an integer number (1751933590).
Almost surely, 213313223031 is an apocalyptic number.
13313223031 is a deficient number, since it is larger than the sum of its proper divisors (702245689).
13313223031 is a wasteful number, since it uses less digits than its factorization.
13313223031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77505.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 13313223031 its reverse (13032231331), we get a palindrome (26345454362).
The spelling of 13313223031 in words is "thirteen billion, three hundred thirteen million, two hundred twenty-three thousand, thirty-one".
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