Base | Representation |
---|---|
bin | 11000100111000001… |
… | …00011000000110100 |
3 | 1021002210002100112020 |
4 | 30103200203000310 |
5 | 204024310413022 |
6 | 10023011153140 |
7 | 645260566323 |
oct | 142340430064 |
9 | 37083070466 |
10 | 13212201012 |
11 | 566aa4119a |
12 | 26888a57b0 |
13 | 132733b62a |
14 | 8d4a060ba |
15 | 524dbb35c |
hex | 313823034 |
13212201012 has 12 divisors (see below), whose sum is σ = 30828469056. Its totient is φ = 4404067000.
The previous prime is 13212201011. The next prime is 13212201059. The reversal of 13212201012 is 21010221231.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 13212200982 and 13212201000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13212201011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550508364 + ... + 550508387.
It is an arithmetic number, because the mean of its divisors is an integer number (2569039088).
Almost surely, 213212201012 is an apocalyptic number.
13212201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13212201012 is an abundant number, since it is smaller than the sum of its proper divisors (17616268044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13212201012 is a wasteful number, since it uses less digits than its factorization.
13212201012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1101016758 (or 1101016756 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 13212201012 its reverse (21010221231), we get a palindrome (34222422243).
The spelling of 13212201012 in words is "thirteen billion, two hundred twelve million, two hundred one thousand, twelve".
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