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13353131012 = 2213256790981
BaseRepresentation
bin11000110111110100…
…01001110000000100
31021110121021100010212
430123322021300010
5204321400143022
610045003534552
7651621512054
oct143372116004
937417240125
1013353131012
115732548a71
122707b2a458
13134a5b3070
1490960d564
155324583e2
hex31be89c04

13353131012 has 12 divisors (see below), whose sum is σ = 25165516236. Its totient is φ = 6162983520.

The previous prime is 13353130909. The next prime is 13353131041. The reversal of 13353131012 is 21013135331.

It can be written as a sum of positive squares in 2 ways, for example, as 877581376 + 12475549636 = 29624^2 + 111694^2 .

It is a super-2 number, since 2×133531310122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128395439 + ... + 128395542.

It is an arithmetic number, because the mean of its divisors is an integer number (2097126353).

Almost surely, 213353131012 is an apocalyptic number.

It is an amenable number.

13353131012 is a deficient number, since it is larger than the sum of its proper divisors (11812385224).

13353131012 is a wasteful number, since it uses less digits than its factorization.

13353131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256790998 (or 256790996 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 13353131012 its reverse (21013135331), we get a palindrome (34366266343).

The spelling of 13353131012 in words is "thirteen billion, three hundred fifty-three million, one hundred thirty-one thousand, twelve".

Divisors: 1 2 4 13 26 52 256790981 513581962 1027163924 3338282753 6676565506 13353131012