Base | Representation |
---|---|
bin | 11011110000110100011101… |
… | …100011100010000111001101 |
3 | 121000022211220202111212211102 |
4 | 123300310131203202013031 |
5 | 112001010121001041023 |
6 | 1111404535015432445 |
7 | 34501405246624610 |
oct | 3360643543420715 |
9 | 530284822455742 |
10 | 122102121112013 |
11 | 359a6245198a29 |
12 | 11840261385725 |
13 | 5319246a70c33 |
14 | 2221aba564177 |
15 | e1b252ba5628 |
hex | 6f0d1d8e21cd |
122102121112013 has 4 divisors (see below), whose sum is σ = 139545281270880. Its totient is φ = 104658960953148.
The previous prime is 122102121111989. The next prime is 122102121112021. The reversal of 122102121112013 is 310211121201221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 122102121112013 - 230 = 122101047370189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122102121112063) 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, 8721580079423 + ... + 8721580079436.
It is an arithmetic number, because the mean of its divisors is an integer number (34886320317720).
Almost surely, 2122102121112013 is an apocalyptic number.
It is an amenable number.
122102121112013 is a deficient number, since it is larger than the sum of its proper divisors (17443160158867).
122102121112013 is an equidigital number, since it uses as much as digits as its factorization.
122102121112013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17443160158866.
The product of its (nonzero) digits is 96, while the sum is 20.
Adding to 122102121112013 its reverse (310211121201221), we get a palindrome (432313242313234).
The spelling of 122102121112013 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty-one million, one hundred twelve thousand, thirteen".
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