Base | Representation |
---|---|
bin | 1011111011110110111111… |
… | …0001000011101000101010 |
3 | 1201110112202110010010011200 |
4 | 2332331233301003220222 |
5 | 3210001401024021302 |
6 | 43524342330105030 |
7 | 2523051115254435 |
oct | 276755761035052 |
9 | 51415673103150 |
10 | 13123000220202 |
11 | 41aa484565744 |
12 | 157b3aa27b176 |
13 | 7426556032c2 |
14 | 3352299d081c |
15 | 17b55cc2681c |
hex | bef6fc43a2a |
13123000220202 has 24 divisors (see below), whose sum is σ = 28793080655040. Its totient is φ = 4318962097320.
The previous prime is 13123000220173. The next prime is 13123000220203. The reversal of 13123000220202 is 20202200032131.
13123000220202 is a `hidden beast` number, since 13 + 1 + 230 + 0 + 0 + 220 + 202 = 666.
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 (13123000220203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4614274324 + ... + 4614277167.
It is an arithmetic number, because the mean of its divisors is an integer number (1199711693960).
Almost surely, 213123000220202 is an apocalyptic number.
13123000220202 is an abundant number, since it is smaller than the sum of its proper divisors (15670080434838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13123000220202 is a wasteful number, since it uses less digits than its factorization.
13123000220202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9228551578 (or 9228551575 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 13123000220202 its reverse (20202200032131), we get a palindrome (33325200252333).
The spelling of 13123000220202 in words is "thirteen trillion, one hundred twenty-three billion, two hundred twenty thousand, two hundred two".
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