Base | Representation |
---|---|
bin | 11000111101011010… |
… | …01001101010101010 |
3 | 1021120212120021222200 |
4 | 30132231021222222 |
5 | 204420403220232 |
6 | 10053401401030 |
7 | 653031404055 |
oct | 143655115252 |
9 | 37525507880 |
10 | 13400054442 |
11 | 5756a88265 |
12 | 271b799176 |
13 | 1357231cc8 |
14 | 911945a9c |
15 | 53662677c |
hex | 31eb49aaa |
13400054442 has 24 divisors (see below), whose sum is σ = 29035755840. Its totient is φ = 4466330280.
The previous prime is 13400054441. The next prime is 13400054461. The reversal of 13400054442 is 24445000431.
It is a happy number.
It is a super-2 number, since 2×134000544422 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13400054441) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307359 + ... + 348237.
It is an arithmetic number, because the mean of its divisors is an integer number (1209823160).
Almost surely, 213400054442 is an apocalyptic number.
13400054442 is an abundant number, since it is smaller than the sum of its proper divisors (15635701398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13400054442 is a wasteful number, since it uses less digits than its factorization.
13400054442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59098 (or 59095 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 13400054442 its reverse (24445000431), we get a palindrome (37845054873).
The spelling of 13400054442 in words is "thirteen billion, four hundred million, fifty-four thousand, four hundred forty-two".
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