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1120330231 = 19109540961
BaseRepresentation
bin100001011000110…
…1110000111110111
32220002002200011021
41002301232013313
54243301031411
6303100322011
736522435616
oct10261560767
92802080137
101120330231
11525440759
12273243307
1314b14b4c7
14a8b1187d
156854ea71
hex42c6e1f7

1120330231 has 8 divisors (see below), whose sum is σ = 1190116400. Its totient is φ = 1051626240.

The previous prime is 1120330219. The next prime is 1120330259. The reversal of 1120330231 is 1320330211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120330231 - 27 = 1120330103 is a prime.

It is a super-2 number, since 2×11203302312 = 2510279652985026722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120330201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268410 + ... + 272551.

It is an arithmetic number, because the mean of its divisors is an integer number (148764550).

Almost surely, 21120330231 is an apocalyptic number.

1120330231 is a deficient number, since it is larger than the sum of its proper divisors (69786169).

1120330231 is a wasteful number, since it uses less digits than its factorization.

1120330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541089.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1120330231 is about 33471.3344669734. The cubic root of 1120330231 is about 1038.6008771571.

Adding to 1120330231 its reverse (1320330211), we get a palindrome (2440660442).

The spelling of 1120330231 in words is "one billion, one hundred twenty million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 19 109 2071 540961 10278259 58964749 1120330231