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13230042245 = 571572407651
BaseRepresentation
bin11000101001001001…
…00110110010000101
31021011000122210002122
430110210212302011
5204043342322440
610024445415325
7645565334510
oct142444466205
937130583078
1013230042245
11567a017612
12269286a545
13132ac47284
148d712bd77
155267427b5
hex314926c85

13230042245 has 16 divisors (see below), whose sum is σ = 18259632768. Its totient is φ = 9014241600.

The previous prime is 13230042229. The next prime is 13230042251. The reversal of 13230042245 is 54224003231.

It is not a de Polignac number, because 13230042245 - 24 = 13230042229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198331 + ... + 1209320.

It is an arithmetic number, because the mean of its divisors is an integer number (1141227048).

Almost surely, 213230042245 is an apocalyptic number.

It is an amenable number.

13230042245 is a deficient number, since it is larger than the sum of its proper divisors (5029590523).

13230042245 is a wasteful number, since it uses less digits than its factorization.

13230042245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407820.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 13230042245 its reverse (54224003231), we get a palindrome (67454045476).

The spelling of 13230042245 in words is "thirteen billion, two hundred thirty million, forty-two thousand, two hundred forty-five".

Divisors: 1 5 7 35 157 785 1099 5495 2407651 12038255 16853557 84267785 378001207 1890006035 2646008449 13230042245