Base | Representation |
---|---|
bin | 1011111100010101001111… |
… | …0100010000000100101010 |
3 | 1201111022201102020011110212 |
4 | 2333011103310100010222 |
5 | 3210120014013330442 |
6 | 43532204231341122 |
7 | 2523456265563260 |
oct | 277052364200452 |
9 | 51438642204425 |
10 | 13131121230122 |
11 | 4202971674695 |
12 | 1580a95b217a2 |
13 | 74334ac34c0c |
14 | 33579a398430 |
15 | 17b885b76a82 |
hex | bf153d1012a |
13131121230122 has 16 divisors (see below), whose sum is σ = 22582412054592. Its totient is φ = 5609643755040.
The previous prime is 13131121230107. The next prime is 13131121230133. The reversal of 13131121230122 is 22103212113131.
It is a happy 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, 1498297904 + ... + 1498306667.
It is an arithmetic number, because the mean of its divisors is an integer number (1411400753412).
Almost surely, 213131121230122 is an apocalyptic number.
13131121230122 is a deficient number, since it is larger than the sum of its proper divisors (9451290824470).
13131121230122 is a wasteful number, since it uses less digits than its factorization.
13131121230122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2996604893.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 13131121230122 its reverse (22103212113131), we get a palindrome (35234333343253).
The spelling of 13131121230122 in words is "thirteen trillion, one hundred thirty-one billion, one hundred twenty-one million, two hundred thirty thousand, one hundred twenty-two".
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