Base | Representation |
---|---|
bin | 11000100110111111… |
… | …10010101011000100 |
3 | 1021002202201021220220 |
4 | 30103133302223010 |
5 | 204024233044022 |
6 | 10023003024340 |
7 | 645256113135 |
oct | 142337625304 |
9 | 37082637826 |
10 | 13212003012 |
11 | 566a91645a |
12 | 268880b0b0 |
13 | 132729c480 |
14 | 8d4993c8c |
15 | 524d7c85c |
hex | 3137f2ac4 |
13212003012 has 48 divisors (see below), whose sum is σ = 33971488320. Its totient is φ = 3970689408.
The previous prime is 13212002983. The next prime is 13212003023. The reversal of 13212003012 is 21030021231.
It is a junction number, because it is equal to n+sod(n) for n = 13212002982 and 13212003000.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978087 + ... + 991502.
It is an arithmetic number, because the mean of its divisors is an integer number (707739340).
Almost surely, 213212003012 is an apocalyptic number.
13212003012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13212003012 is an abundant number, since it is smaller than the sum of its proper divisors (20759485308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13212003012 is a wasteful number, since it uses less digits than its factorization.
13212003012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1969652 (or 1969650 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 13212003012 its reverse (21030021231), we get a palindrome (34242024243).
The spelling of 13212003012 in words is "thirteen billion, two hundred twelve million, three thousand, twelve".
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