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11003231224 = 231375403903
BaseRepresentation
bin10100011111101011…
…11111101111111000
31001101211112001122101
422033311333233320
5140013311344344
65015501233144
7536445631216
oct121765775770
931354461571
1011003231224
114737045527
122170b627b4
1310647b930b
147654b1cb6
15445ecb9d4
hex28fd7fbf8

11003231224 has 8 divisors (see below), whose sum is σ = 20631058560. Its totient is φ = 5501615608.

The previous prime is 11003231221. The next prime is 11003231263. The reversal of 11003231224 is 42213230011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003231221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687701944 + ... + 687701959.

It is an arithmetic number, because the mean of its divisors is an integer number (2578882320).

Almost surely, 211003231224 is an apocalyptic number.

It is an amenable number.

11003231224 is a deficient number, since it is larger than the sum of its proper divisors (9627827336).

11003231224 is a wasteful number, since it uses less digits than its factorization.

11003231224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375403909 (or 1375403905 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11003231224 its reverse (42213230011), we get a palindrome (53216461235).

The spelling of 11003231224 in words is "eleven billion, three million, two hundred thirty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 1375403903 2750807806 5501615612 11003231224