Base | Representation |
---|---|
bin | 1011111100011101011110… |
… | …0110000101111101110100 |
3 | 1201111112102111101120011222 |
4 | 2333013113212011331310 |
5 | 3210134031010024340 |
6 | 43533211450245512 |
7 | 2523565133011616 |
oct | 277072746057564 |
9 | 51445374346158 |
10 | 13133332111220 |
11 | 42038a6656352 |
12 | 15813b2426898 |
13 | 743610ca6199 |
14 | 335929c68db6 |
15 | 17b964ce28b5 |
hex | bf1d7985f74 |
13133332111220 has 24 divisors (see below), whose sum is σ = 27580067037600. Its totient is φ = 5253319586592.
The previous prime is 13133332111199. The next prime is 13133332111253. The reversal of 13133332111220 is 2211123333131.
It is a self number, because there is not a number n which added to its sum of digits gives 13133332111220.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12610751 + ... + 13612409.
It is an arithmetic number, because the mean of its divisors is an integer number (1149169459900).
Almost surely, 213133332111220 is an apocalyptic number.
13133332111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13133332111220 is an abundant number, since it is smaller than the sum of its proper divisors (14446734926380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13133332111220 is a wasteful number, since it uses less digits than its factorization.
13133332111220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1657247 (or 1657245 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 26.
Adding to 13133332111220 its reverse (2211123333131), we get a palindrome (15344455444351).
The spelling of 13133332111220 in words is "thirteen trillion, one hundred thirty-three billion, three hundred thirty-two million, one hundred eleven thousand, two hundred twenty".
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