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1011200223 = 31130642431
BaseRepresentation
bin111100010001011…
…011000011011111
32121110202021221010
4330101123003133
54032331401343
6244201310303
734026026415
oct7421330337
92543667833
101011200223
11479883770
12242795393
1313165c137
14984252b5
155db94d33
hex3c45b0df

1011200223 has 8 divisors (see below), whose sum is σ = 1470836736. Its totient is φ = 612848600.

The previous prime is 1011200213. The next prime is 1011200243. The reversal of 1011200223 is 3220021101.

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 1011200223 - 24 = 1011200207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011200199 and 1011200208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011200213) 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, 15321183 + ... + 15321248.

It is an arithmetic number, because the mean of its divisors is an integer number (183854592).

Almost surely, 21011200223 is an apocalyptic number.

1011200223 is a deficient number, since it is larger than the sum of its proper divisors (459636513).

1011200223 is a wasteful number, since it uses less digits than its factorization.

1011200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30642445.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1011200223 is about 31799.3745693213. The cubic root of 1011200223 is about 1003.7195554207.

Adding to 1011200223 its reverse (3220021101), we get a palindrome (4231221324).

The spelling of 1011200223 in words is "one billion, eleven million, two hundred thousand, two hundred twenty-three".

Divisors: 1 3 11 33 30642431 91927293 337066741 1011200223