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11223140507 = 81171382671
BaseRepresentation
bin10100111001111001…
…11000100010011011
31001222011022121110122
422130330320202123
5140441110444012
65053354503455
7545056056155
oct123474704233
931864277418
1011223140507
11483a196637
122212734b8b
13109b224657
14786797ad5
1545a469e72
hex29cf3889b

11223140507 has 4 divisors (see below), whose sum is σ = 11224531296. Its totient is φ = 11221749720.

The previous prime is 11223140497. The next prime is 11223140573. The reversal of 11223140507 is 70504132211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11223140507 - 28 = 11223140251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223140407) 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, 683219 + ... + 699452.

It is an arithmetic number, because the mean of its divisors is an integer number (2806132824).

Almost surely, 211223140507 is an apocalyptic number.

11223140507 is a deficient number, since it is larger than the sum of its proper divisors (1390789).

11223140507 is an equidigital number, since it uses as much as digits as its factorization.

11223140507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390788.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 11223140507 its reverse (70504132211), we get a palindrome (81727272718).

The spelling of 11223140507 in words is "eleven billion, two hundred twenty-three million, one hundred forty thousand, five hundred seven".

Divisors: 1 8117 1382671 11223140507