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11121023 = 19585317
BaseRepresentation
bin101010011011…
…000101111111
3202221000011202
4222123011333
510321333043
61034210115
7163345544
oct52330577
922830152
1011121023
116306431
12388393b
1323c4bb4
141696bcb
15e9a1b8
hexa9b17f

11121023 has 4 divisors (see below), whose sum is σ = 11706360. Its totient is φ = 10535688.

The previous prime is 11120981. The next prime is 11121037. The reversal of 11121023 is 32012111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32012111 = 283113117.

It is a cyclic number.

It is not a de Polignac number, because 11121023 - 216 = 11055487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120995 and 11121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121083) 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, 292640 + ... + 292677.

It is an arithmetic number, because the mean of its divisors is an integer number (2926590).

Almost surely, 211121023 is an apocalyptic number.

11121023 is a deficient number, since it is larger than the sum of its proper divisors (585337).

11121023 is an equidigital number, since it uses as much as digits as its factorization.

11121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585336.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11121023 is about 3334.8197852358. The cubic root of 11121023 is about 223.2106504234.

Adding to 11121023 its reverse (32012111), we get a palindrome (43133134).

The spelling of 11121023 in words is "eleven million, one hundred twenty-one thousand, twenty-three".

Divisors: 1 19 585317 11121023