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13011072226 = 261193552581
BaseRepresentation
bin11000001111000010…
…10011010011100010
31020120202121221200221
430013201103103202
5203121313302401
65551024233254
7640266201115
oct140741232342
936522557627
1013011072226
115577458159
12263146b82a
1312c477a609
148b600c57c
155123dc7a1
hex3078534e2

13011072226 has 16 divisors (see below), whose sum is σ = 19939368888. Its totient is φ = 6365721600.

The previous prime is 13011072211. The next prime is 13011072229. The reversal of 13011072226 is 62227011031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2102314201 + 10908758025 = 45851^2 + 104445^2 .

It is a super-3 number, since 3×130110722263 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13011072226.

It is not an unprimeable number, because it can be changed into a prime (13011072229) 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, 252745 + ... + 299836.

Almost surely, 213011072226 is an apocalyptic number.

13011072226 is a deficient number, since it is larger than the sum of its proper divisors (6928296662).

13011072226 is a wasteful number, since it uses less digits than its factorization.

13011072226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552837.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 13011072226 its reverse (62227011031), we get a palindrome (75238083257).

The spelling of 13011072226 in words is "thirteen billion, eleven million, seventy-two thousand, two hundred twenty-six".

Divisors: 1 2 61 122 193 386 11773 23546 552581 1105162 33707441 67414882 106648133 213296266 6505536113 13011072226