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13111412312 = 231921385303
BaseRepresentation
bin11000011011000000…
…00100011001011000
31020211202102202102102
430031200010121120
5203323010143222
610005011022532
7642625110605
oct141540043130
936752382372
1013111412312
115619061149
12265ab9aa48
13130c4acb4b
148c548b6ac
1551b10cd92
hex30d804658

13111412312 has 16 divisors (see below), whose sum is σ = 24585465840. Its totient is φ = 6555288096.

The previous prime is 13111412291. The next prime is 13111412323. The reversal of 13111412312 is 21321411131.

It is a congruent number.

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, 111053 + ... + 196355.

It is an arithmetic number, because the mean of its divisors is an integer number (1536591615).

Almost surely, 213111412312 is an apocalyptic number.

It is an amenable number.

13111412312 is a deficient number, since it is larger than the sum of its proper divisors (11474053528).

13111412312 is a wasteful number, since it uses less digits than its factorization.

13111412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104522 (or 104518 counting only the distinct ones).

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

Adding to 13111412312 its reverse (21321411131), we get a palindrome (34432823443).

The spelling of 13111412312 in words is "thirteen billion, one hundred eleven million, four hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 19213 38426 76852 85303 153704 170606 341212 682424 1638926539 3277853078 6555706156 13111412312