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10111122133 = 71444446019
BaseRepresentation
bin10010110101010101…
…10111101011010101
3222002122212020000221
421122222313223111
5131201421402013
64351152234341
7505364056120
oct113252675325
928078766027
1010111122133
114319512792
121b6223b9b1
13c51a26508
146bcc0b3b7
153e2a0d08d
hex25aab7ad5

10111122133 has 4 divisors (see below), whose sum is σ = 11555568160. Its totient is φ = 8666676108.

The previous prime is 10111122103. The next prime is 10111122139. The reversal of 10111122133 is 33122111101.

It is a happy number.

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: 33122111101 = 231440091787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10111122133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111122139) 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, 722223003 + ... + 722223016.

It is an arithmetic number, because the mean of its divisors is an integer number (2888892040).

Almost surely, 210111122133 is an apocalyptic number.

It is an amenable number.

10111122133 is a deficient number, since it is larger than the sum of its proper divisors (1444446027).

10111122133 is an equidigital number, since it uses as much as digits as its factorization.

10111122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444446026.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10111122133 its reverse (33122111101), we get a palindrome (43233233234).

The spelling of 10111122133 in words is "ten billion, one hundred eleven million, one hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 7 1444446019 10111122133