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1011442223 = 11131701903
BaseRepresentation
bin111100010010010…
…110001000101111
32121111012120220002
4330102112020233
54032412122343
6244210414515
734031055101
oct7422261057
92544176802
101011442223
11479a29570
1224289143b
1313171532c
1498489571
155dbe18b8
hex3c49622f

1011442223 has 8 divisors (see below), whose sum is σ = 1111815936. Its totient is φ = 912472600.

The previous prime is 1011442171. The next prime is 1011442241. The reversal of 1011442223 is 3222441101.

1011442223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011442223 - 28 = 1011441967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011442195 and 1011442204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011442253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349511 + ... + 352392.

It is an arithmetic number, because the mean of its divisors is an integer number (138976992).

Almost surely, 21011442223 is an apocalyptic number.

1011442223 is a deficient number, since it is larger than the sum of its proper divisors (100373713).

1011442223 is a wasteful number, since it uses less digits than its factorization.

1011442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702045.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1011442223 is about 31803.1794479734. The cubic root of 1011442223 is about 1003.7996189440.

Adding to 1011442223 its reverse (3222441101), we get a palindrome (4233883324).

The spelling of 1011442223 in words is "one billion, eleven million, four hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 11 131 1441 701903 7720933 91949293 1011442223