Base | Representation |
---|---|
bin | 11000111111111010… |
… | …00011010101001100 |
3 | 1021122022222102220112 |
4 | 30133331003111030 |
5 | 204441234000022 |
6 | 10055430335152 |
7 | 653404421630 |
oct | 143775032514 |
9 | 37568872815 |
10 | 13421000012 |
11 | 5767893a52 |
12 | 27267ba4b8 |
13 | 135b686934 |
14 | 914638dc0 |
15 | 5383b28e2 |
hex | 31ff4354c |
13421000012 has 24 divisors (see below), whose sum is σ = 26845422240. Its totient is φ = 5751123840.
The previous prime is 13420999967. The next prime is 13421000027. The reversal of 13421000012 is 21000012431.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
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, 232814 + ... + 284682.
It is an arithmetic number, because the mean of its divisors is an integer number (1118559260).
Almost surely, 213421000012 is an apocalyptic number.
It is an amenable number.
13421000012 is an abundant number, since it is smaller than the sum of its proper divisors (13424422228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13421000012 is a wasteful number, since it uses less digits than its factorization.
13421000012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61121 (or 61119 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 13421000012 its reverse (21000012431), we get a palindrome (34421012443).
The spelling of 13421000012 in words is "thirteen billion, four hundred twenty-one million, twelve", and thus it is an aban number.
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