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13029081357 = 33121511732
BaseRepresentation
bin11000010001001100…
…00000000100001101
31020122000111220120210
430020212000010031
5203140421100412
65552510233033
7640605235635
oct141046000415
936560456523
1013029081357
115586638736
1226374b5779
1312c84147c6
148b85796c5
15513c9883c
hex30898010d

13029081357 has 36 divisors (see below), whose sum is σ = 18174505632. Its totient is φ = 8301924000.

The previous prime is 13029081353. The next prime is 13029081379. The reversal of 13029081357 is 75318092031.

It is not a de Polignac number, because 13029081357 - 22 = 13029081353 is a prime.

It is a super-2 number, since 2×130290813572 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13029081353) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75312523 + ... + 75312695.

Almost surely, 213029081357 is an apocalyptic number.

It is an amenable number.

13029081357 is a deficient number, since it is larger than the sum of its proper divisors (5145424275).

13029081357 is an equidigital number, since it uses as much as digits as its factorization.

13029081357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 13029081357 in words is "thirteen billion, twenty-nine million, eighty-one thousand, three hundred fifty-seven".

Divisors: 1 3 31 93 151 173 453 519 961 2883 4681 5363 14043 16089 26123 29929 78369 89787 145111 166253 435333 498759 809813 927799 2429439 2783397 4519279 13557837 25104203 28761769 75312609 86285307 140097649 420292947 4343027119 13029081357