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13243240314 = 23481748397
BaseRepresentation
bin11000101010101101…
…11100111101111010
31021011221111022110000
430111112330331322
5204110232142224
610030040333430
7646115454033
oct142526747572
937157438400
1013243240314
115686511507
122697174276
1313308b8695
148d8ba5a8a
1552799d0c9
hex3155bcf7a

13243240314 has 20 divisors (see below), whose sum is σ = 29674668474. Its totient is φ = 4414413384.

The previous prime is 13243240303. The next prime is 13243240343. The reversal of 13243240314 is 41304234231.

13243240314 is a `hidden beast` number, since 1 + 3 + 24 + 324 + 0 + 314 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13140724689 + 102515625 = 114633^2 + 10125^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40874037 + ... + 40874360.

Almost surely, 213243240314 is an apocalyptic number.

13243240314 is an abundant number, since it is smaller than the sum of its proper divisors (16431428160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13243240314 is an equidigital number, since it uses as much as digits as its factorization.

13243240314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81748411 (or 81748402 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13243240314 its reverse (41304234231), we get a palindrome (54547474545).

The spelling of 13243240314 in words is "thirteen billion, two hundred forty-three million, two hundred forty thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 81748397 163496794 245245191 490490382 735735573 1471471146 2207206719 4414413438 6621620157 13243240314