Base | Representation |
---|---|
bin | 1011111011110111101111… |
… | …0011100110000101110001 |
3 | 1201110120021112012101010010 |
4 | 2332331323303212011301 |
5 | 3210002304231242314 |
6 | 43524414343325133 |
7 | 2523056120206425 |
oct | 276757363460561 |
9 | 51416245171103 |
10 | 13123202212209 |
11 | 41aa578589291 |
12 | 157b445a507a9 |
13 | 7426884071bb |
14 | 335248770b85 |
15 | 17b570826059 |
hex | bef7bce6171 |
13123202212209 has 16 divisors (see below), whose sum is σ = 17611063103232. Its totient is φ = 8692084123008.
The previous prime is 13123202212157. The next prime is 13123202212261. The reversal of 13123202212209 is 90221220232131.
It is an interprime number because it is at equal distance from previous prime (13123202212157) and next prime (13123202212261).
It is not a de Polignac number, because 13123202212209 - 29 = 13123202211697 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13123202212609) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2550637 + ... + 5722949.
It is an arithmetic number, because the mean of its divisors is an integer number (1100691443952).
Almost surely, 213123202212209 is an apocalyptic number.
It is an amenable number.
13123202212209 is a deficient number, since it is larger than the sum of its proper divisors (4487860891023).
13123202212209 is a wasteful number, since it uses less digits than its factorization.
13123202212209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3181256.
The product of its (nonzero) digits is 5184, while the sum is 30.
The spelling of 13123202212209 in words is "thirteen trillion, one hundred twenty-three billion, two hundred two million, two hundred twelve thousand, two hundred nine".
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