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13057928349 = 37275987129
BaseRepresentation
bin11000010100101000…
…00010110010011101
31020201000210111012220
430022110002302131
5203220312201344
65555420415553
7641405362644
oct141224026235
936630714186
1013057928349
1155a0950924
1226450a75b9
1313013a4a2b
148bc32835b
15516595c19
hex30a502c9d

13057928349 has 8 divisors (see below), whose sum is σ = 17434522560. Its totient is φ = 8693309856.

The previous prime is 13057928341. The next prime is 13057928357. The reversal of 13057928349 is 94382975031.

It is an interprime number because it is at equal distance from previous prime (13057928341) and next prime (13057928357).

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

It is not a de Polignac number, because 13057928349 - 23 = 13057928341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13057928341) 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, 2991384 + ... + 2995745.

It is an arithmetic number, because the mean of its divisors is an integer number (2179315320).

Almost surely, 213057928349 is an apocalyptic number.

It is an amenable number.

13057928349 is a deficient number, since it is larger than the sum of its proper divisors (4376594211).

13057928349 is an equidigital number, since it uses as much as digits as its factorization.

13057928349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987859.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 13057928349 in words is "thirteen billion, fifty-seven million, nine hundred twenty-eight thousand, three hundred forty-nine".

Divisors: 1 3 727 2181 5987129 17961387 4352642783 13057928349