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12197849613 = 311287360233
BaseRepresentation
bin10110101110000110…
…00110101000001101
31011111002101221222220
423113003012220031
5144440122141423
65334214125553
7611163003525
oct132703065015
934432357886
1012197849613
11519a405a54
1224450508b9
1311c51480c1
1483a000685
154b5d029e3
hex2d70c6a0d

12197849613 has 8 divisors (see below), whose sum is σ = 16265285568. Its totient is φ = 8131156704.

The previous prime is 12197849591. The next prime is 12197849621. The reversal of 12197849613 is 31694879121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12197849613 - 25 = 12197849581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197849683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146256 + ... + 213977.

It is an arithmetic number, because the mean of its divisors is an integer number (2033160696).

Almost surely, 212197849613 is an apocalyptic number.

It is an amenable number.

12197849613 is a deficient number, since it is larger than the sum of its proper divisors (4067435955).

12197849613 is a wasteful number, since it uses less digits than its factorization.

12197849613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371523.

The product of its digits is 653184, while the sum is 51.

The spelling of 12197849613 in words is "twelve billion, one hundred ninety-seven million, eight hundred forty-nine thousand, six hundred thirteen".

Divisors: 1 3 11287 33861 360233 1080699 4065949871 12197849613