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1100223013 = 6716421239
BaseRepresentation
bin100000110010100…
…0001001000100101
32211200021010020111
41001211001020211
54223124114023
6301101333021
736156512161
oct10145011045
92750233214
101100223013
1151505791a
12268567171
13146c2b346
14a6199ca1
15668cc00d
hex41941225

1100223013 has 4 divisors (see below), whose sum is σ = 1116644320. Its totient is φ = 1083801708.

The previous prime is 1100222989. The next prime is 1100223037. The reversal of 1100223013 is 3103220011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3103220011 = 19163327369.

It is an interprime number because it is at equal distance from previous prime (1100222989) and next prime (1100223037).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1100223013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100222984 and 1100223002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100220013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8210553 + ... + 8210686.

It is an arithmetic number, because the mean of its divisors is an integer number (279161080).

Almost surely, 21100223013 is an apocalyptic number.

It is an amenable number.

1100223013 is a deficient number, since it is larger than the sum of its proper divisors (16421307).

1100223013 is an equidigital number, since it uses as much as digits as its factorization.

1100223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16421306.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1100223013 is about 33169.6097806411. The cubic root of 1100223013 is about 1032.3498719198.

Adding to 1100223013 its reverse (3103220011), we get a palindrome (4203443024).

The spelling of 1100223013 in words is "one billion, one hundred million, two hundred twenty-three thousand, thirteen".

Divisors: 1 67 16421239 1100223013