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11830923729 = 325922280459
BaseRepresentation
bin10110000010010110…
…11001000111010001
31010112111222012022100
423001023121013101
5143212204024404
65233545431013
7566116123002
oct130113310721
933474865270
1011830923729
115021280119
12236219b469
131167116ab1
148033a91a9
154939c3d39
hex2c12d91d1

11830923729 has 12 divisors (see below), whose sum is σ = 17378758800. Its totient is φ = 7753599384.

The previous prime is 11830923721. The next prime is 11830923733. The reversal of 11830923729 is 92732903811.

It is not a de Polignac number, because 11830923729 - 23 = 11830923721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11830923721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11139699 + ... + 11140760.

It is an arithmetic number, because the mean of its divisors is an integer number (1448229900).

Almost surely, 211830923729 is an apocalyptic number.

It is an amenable number.

11830923729 is a deficient number, since it is larger than the sum of its proper divisors (5547835071).

11830923729 is a wasteful number, since it uses less digits than its factorization.

11830923729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22280524 (or 22280521 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 11830923729 in words is "eleven billion, eight hundred thirty million, nine hundred twenty-three thousand, seven hundred twenty-nine".

Divisors: 1 3 9 59 177 531 22280459 66841377 200524131 1314547081 3943641243 11830923729