Base | Representation |
---|---|
bin | 1011111100010100111011… |
… | …1110011101101010000010 |
3 | 1201111022111202102022200010 |
4 | 2333011032332131222002 |
5 | 3210114332221133442 |
6 | 43532152211005350 |
7 | 2523454261403322 |
oct | 277051676355202 |
9 | 51438452368603 |
10 | 13131040021122 |
11 | 420292a848111 |
12 | 1580a72899856 |
13 | 74333717045a |
14 | 33578d699282 |
15 | 17b87d984b9c |
hex | bf14ef9da82 |
13131040021122 has 32 divisors (see below), whose sum is σ = 26715864994560. Its totient is φ = 4301430653840.
The previous prime is 13131040021103. The next prime is 13131040021133. The reversal of 13131040021122 is 22112004013131.
It is a super-2 number, since 2×131310400211222 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4924404 + ... + 7107167.
It is an arithmetic number, because the mean of its divisors is an integer number (834870781080).
Almost surely, 213131040021122 is an apocalyptic number.
13131040021122 is an abundant number, since it is smaller than the sum of its proper divisors (13584824973438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13131040021122 is a wasteful number, since it uses less digits than its factorization.
13131040021122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12034718.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 13131040021122 its reverse (22112004013131), we get a palindrome (35243044034253).
The spelling of 13131040021122 in words is "thirteen trillion, one hundred thirty-one billion, forty million, twenty-one thousand, one hundred twenty-two".
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