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13033311212 = 2219171490937
BaseRepresentation
bin11000010001101100…
…01000101111101100
31020122022110210212002
430020312020233230
5203143011424322
65553141031432
7640656213605
oct141066105754
936568423762
1013033311212
115588a67689
1226389b5578
1312c9265b8c
148b8d5adac
15514331c92
hex308d88bec

13033311212 has 12 divisors (see below), whose sum is σ = 24008731320. Its totient is φ = 6173673696.

The previous prime is 13033311209. The next prime is 13033311227. The reversal of 13033311212 is 21211333031.

It is a super-2 number, since 2×130333112122 (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, 85745393 + ... + 85745544.

It is an arithmetic number, because the mean of its divisors is an integer number (2000727610).

Almost surely, 213033311212 is an apocalyptic number.

It is an amenable number.

13033311212 is a deficient number, since it is larger than the sum of its proper divisors (10975420108).

13033311212 is a wasteful number, since it uses less digits than its factorization.

13033311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171490960 (or 171490958 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13033311212 its reverse (21211333031), we get a palindrome (34244644243).

The spelling of 13033311212 in words is "thirteen billion, thirty-three million, three hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 171490937 342981874 685963748 3258327803 6516655606 13033311212