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1013112223 = 10340924049
BaseRepresentation
bin111100011000101…
…101110110011111
32121121100102200221
4330120231312133
54033324042343
6244310302211
734051211644
oct7430556637
92547312627
101013112223
1147a96a232
12243357967
13131b7b4b6
14987a1dcb
155de215ed
hex3c62dd9f

1013112223 has 8 divisors (see below), whose sum is σ = 1025492000. Its totient is φ = 1000781568.

The previous prime is 1013112169. The next prime is 1013112241. The reversal of 1013112223 is 3222113101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1013112223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013112197 and 1013112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013112283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30103 + ... + 54151.

It is an arithmetic number, because the mean of its divisors is an integer number (128186500).

Almost surely, 21013112223 is an apocalyptic number.

1013112223 is a deficient number, since it is larger than the sum of its proper divisors (12379777).

1013112223 is a wasteful number, since it uses less digits than its factorization.

1013112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24561.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1013112223 is about 31829.4238559230. The cubic root of 1013112223 is about 1004.3517755781.

Adding to 1013112223 its reverse (3222113101), we get a palindrome (4235225324).

The spelling of 1013112223 in words is "one billion, thirteen million, one hundred twelve thousand, two hundred twenty-three".

Divisors: 1 103 409 24049 42127 2477047 9836041 1013112223