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15640114241 = 234143385709
BaseRepresentation
bin11101001000011100…
…10011010001000001
31111100222122010100102
432210032103101001
5224012332123431
611103541532145
71062401530463
oct164416232101
944328563312
1015640114241
1166a6489354
123045a14055
13162334b48b
14a85250133
15618107dcb
hex3a4393441

15640114241 has 16 divisors (see below), whose sum is σ = 17107009920. Its totient is φ = 14255767680.

The previous prime is 15640114219. The next prime is 15640114313. The reversal of 15640114241 is 14241104651.

It is a cyclic number.

It is not a de Polignac number, because 15640114241 - 26 = 15640114177 is a prime.

It is a super-3 number, since 3×156401142413 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (15640119241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152306 + ... + 233403.

It is an arithmetic number, because the mean of its divisors is an integer number (1069188120).

Almost surely, 215640114241 is an apocalyptic number.

It is an amenable number.

15640114241 is a deficient number, since it is larger than the sum of its proper divisors (1466895679).

15640114241 is a wasteful number, since it uses less digits than its factorization.

15640114241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385816.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 15640114241 its reverse (14241104651), we get a palindrome (29881218892).

The spelling of 15640114241 in words is "fifteen billion, six hundred forty million, one hundred fourteen thousand, two hundred forty-one".

Divisors: 1 23 41 43 943 989 1763 40549 385709 8871307 15814069 16585487 363723587 381466201 680004967 15640114241