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13112122033 = 60721601519
BaseRepresentation
bin11000011011000101…
…10001101010110001
31020211210202210222101
430031202301222301
5203323200401113
610005034140401
7642634125013
oct141542615261
936753683871
1013112122033
1156194a639a
12265b281701
13130c69abba
148c55d41b3
1551b1ed2dd
hex30d8b1ab1

13112122033 has 4 divisors (see below), whose sum is σ = 13133724160. Its totient is φ = 13090519908.

The previous prime is 13112121991. The next prime is 13112122073. The reversal of 13112122033 is 33022121131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33022121131 = 231435744397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13112122033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13112122033.

It is not an unprimeable number, because it can be changed into a prime (13112122073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10800153 + ... + 10801366.

It is an arithmetic number, because the mean of its divisors is an integer number (3283431040).

Almost surely, 213112122033 is an apocalyptic number.

It is an amenable number.

13112122033 is a deficient number, since it is larger than the sum of its proper divisors (21602127).

13112122033 is an equidigital number, since it uses as much as digits as its factorization.

13112122033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21602126.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13112122033 its reverse (33022121131), we get a palindrome (46134243164).

The spelling of 13112122033 in words is "thirteen billion, one hundred twelve million, one hundred twenty-two thousand, thirty-three".

Divisors: 1 607 21601519 13112122033