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3113212011212 = 221971956972623
BaseRepresentation
bin101101010011011001111…
…001010110001011001100
3102000121202002122022212102
4231103121321112023030
5402001324233324322
610342105001454232
7440631203321522
oct55233171261314
912017662568772
103113212011212
11aa0340023406
124234404a1378
13197761612754
14aa974910312
1555ead80d792
hex2d4d9e562cc

3113212011212 has 24 divisors (see below), whose sum is σ = 5742840499200. Its totient is φ = 1472628333456.

The previous prime is 3113212011191. The next prime is 3113212011223. The reversal of 3113212011212 is 2121102123113.

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, 28431668 + ... + 28540955.

It is an arithmetic number, because the mean of its divisors is an integer number (239285020800).

Almost surely, 23113212011212 is an apocalyptic number.

It is an amenable number.

3113212011212 is a deficient number, since it is larger than the sum of its proper divisors (2629628487988).

3113212011212 is a wasteful number, since it uses less digits than its factorization.

3113212011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56973365 (or 56973363 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 3113212011212 its reverse (2121102123113), we get a palindrome (5234314134325).

The spelling of 3113212011212 in words is "three trillion, one hundred thirteen billion, two hundred twelve million, eleven thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 719 1438 2876 13661 27322 54644 56972623 113945246 227890492 1082479837 2164959674 4329919348 40963315937 81926631874 163853263748 778303002803 1556606005606 3113212011212