Base | Representation |
---|---|
bin | 11000110001101111… |
… | …00100101000000100 |
3 | 1021100001021212022200 |
4 | 30120313210220010 |
5 | 204220320414022 |
6 | 10035542354500 |
7 | 650432115513 |
oct | 143067445004 |
9 | 37301255280 |
10 | 13302123012 |
11 | 57067799a2 |
12 | 26b2a2ba30 |
13 | 133cb63c09 |
14 | 90293267a |
15 | 52cc2ebac |
hex | 318de4a04 |
13302123012 has 18 divisors (see below), whose sum is σ = 33624811038. Its totient is φ = 4434040992.
The previous prime is 13302123011. The next prime is 13302123017. The reversal of 13302123012 is 21032120331.
It can be written as a sum of positive squares in only one way, i.e., 13286250756 + 15872256 = 115266^2 + 3984^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (13302123011) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184751673 + ... + 184751744.
Almost surely, 213302123012 is an apocalyptic number.
13302123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13302123012 is an abundant number, since it is smaller than the sum of its proper divisors (20322688026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13302123012 is a wasteful number, since it uses less digits than its factorization.
13302123012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369503427 (or 369503422 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13302123012 its reverse (21032120331), we get a palindrome (34334243343).
The spelling of 13302123012 in words is "thirteen billion, three hundred two million, one hundred twenty-three thousand, twelve".
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