Base | Representation |
---|---|
bin | 10100111001110001… |
… | …01001101101110111 |
3 | 1001222002020020211001 |
4 | 22130320221231313 |
5 | 140440314444343 |
6 | 5053315024131 |
7 | 545043456124 |
oct | 123470515567 |
9 | 31862206731 |
10 | 11222031223 |
11 | 48395a9177 |
12 | 221229b047 |
13 | 109ac26780 |
14 | 78658974b |
15 | 45a2eb44d |
hex | 29ce29b77 |
11222031223 has 8 divisors (see below), whose sum is σ = 12610711008. Its totient is φ = 9908415264.
The previous prime is 11222031203. The next prime is 11222031251. The reversal of 11222031223 is 32213022211.
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-11222031223 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 11222031223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11222031203) 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, 18765640 + ... + 18766237.
It is an arithmetic number, because the mean of its divisors is an integer number (1576338876).
Almost surely, 211222031223 is an apocalyptic number.
11222031223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
11222031223 is a deficient number, since it is larger than the sum of its proper divisors (1388679785).
11222031223 is a wasteful number, since it uses less digits than its factorization.
11222031223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37531913.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 11222031223 its reverse (32213022211), we get a palindrome (43435053434).
The spelling of 11222031223 in words is "eleven billion, two hundred twenty-two million, thirty-one thousand, two hundred twenty-three".
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