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13011022312 = 231985598831
BaseRepresentation
bin11000001111000010…
…00111000111101000
31020120202112102020021
430013201013013220
5203121310203222
65551023210224
7640265602441
oct140741070750
936522472207
1013011022312
115577423702
122631446974
1312c4760992
148b5dd82c8
155123ccac7
hex3078471e8

13011022312 has 16 divisors (see below), whose sum is σ = 25679649600. Its totient is φ = 6163115760.

The previous prime is 13011022291. The next prime is 13011022313. The reversal of 13011022312 is 21322011031.

It is not an unprimeable number, because it can be changed into a prime (13011022313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42799264 + ... + 42799567.

It is an arithmetic number, because the mean of its divisors is an integer number (1604978100).

Almost surely, 213011022312 is an apocalyptic number.

It is an amenable number.

13011022312 is a deficient number, since it is larger than the sum of its proper divisors (12668627288).

13011022312 is a wasteful number, since it uses less digits than its factorization.

13011022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85598856 (or 85598852 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13011022312 its reverse (21322011031), we get a palindrome (34333033343).

The spelling of 13011022312 in words is "thirteen billion, eleven million, twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 85598831 171197662 342395324 684790648 1626377789 3252755578 6505511156 13011022312