Base | Representation |
---|---|
bin | 1100111111001100101… |
… | …0101101011011111011 |
3 | 210022220211021221122210 |
4 | 3033303022231123323 |
5 | 12123423442100011 |
6 | 250300140150203 |
7 | 22056124143210 |
oct | 3176312553373 |
9 | 708824257583 |
10 | 223123003131 |
11 | 86698133746 |
12 | 372ab538363 |
13 | 1806aa17152 |
14 | ab2906bb07 |
15 | 5c0d47e6a6 |
hex | 33f32ad6fb |
223123003131 has 16 divisors (see below), whose sum is σ = 340045981184. Its totient is φ = 127480474944.
The previous prime is 223123003097. The next prime is 223123003153. The reversal of 223123003131 is 131300321322.
It is not a de Polignac number, because 223123003131 - 27 = 223123003003 is a prime.
It is a super-3 number, since 3×2231230031313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 223123003098 and 223123003107.
It is not an unprimeable number, because it can be changed into a prime (223123103131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616210 + ... + 908823.
It is an arithmetic number, because the mean of its divisors is an integer number (21252873824).
Almost surely, 2223123003131 is an apocalyptic number.
223123003131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
223123003131 is a deficient number, since it is larger than the sum of its proper divisors (116922978053).
223123003131 is a wasteful number, since it uses less digits than its factorization.
223123003131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1532010.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 223123003131 its reverse (131300321322), we get a palindrome (354423324453).
The spelling of 223123003131 in words is "two hundred twenty-three billion, one hundred twenty-three million, three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •