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13061211837 = 331713734187
BaseRepresentation
bin11000010101000001…
…00100011010111101
31020201020222022022120
430022200210122331
5203222132234322
610000015033153
7641445316542
oct141240443275
936636868276
1013061211837
1155a2793853
12264620b7b9
131301c8441b
148bc940bc9
155169e3a5c
hex30a8246bd

13061211837 has 8 divisors (see below), whose sum is σ = 17469887136. Its totient is φ = 8680005552.

The previous prime is 13061211797. The next prime is 13061211853. The reversal of 13061211837 is 73811216031.

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

It is not a de Polignac number, because 13061211837 - 214 = 13061195453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13061211798 and 13061211807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13061211337) 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, 6866143 + ... + 6868044.

It is an arithmetic number, because the mean of its divisors is an integer number (2183735892).

Almost surely, 213061211837 is an apocalyptic number.

It is an amenable number.

13061211837 is a deficient number, since it is larger than the sum of its proper divisors (4408675299).

13061211837 is a wasteful number, since it uses less digits than its factorization.

13061211837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734507.

The product of its (nonzero) digits is 6048, while the sum is 33.

Adding to 13061211837 its reverse (73811216031), we get a palindrome (86872427868).

The spelling of 13061211837 in words is "thirteen billion, sixty-one million, two hundred eleven thousand, eight hundred thirty-seven".

Divisors: 1 3 317 951 13734187 41202561 4353737279 13061211837