Search a number
-
+
12223140220 = 2252776773259
BaseRepresentation
bin10110110001000111…
…00101000101111100
31011112211222212012001
423120203211011330
5200013110441340
65340520152044
7611620656214
oct133043450574
934484885161
1012223140220
11520270a185
122451608624
1311ca461665
1483d505244
154b814b29a
hex2d88e517c

12223140220 has 48 divisors (see below), whose sum is σ = 25807229280. Its totient is φ = 4862916864.

The previous prime is 12223140203. The next prime is 12223140239. The reversal of 12223140220 is 2204132221.

12223140220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3748951 + ... + 3752209.

It is an arithmetic number, because the mean of its divisors is an integer number (537650610).

Almost surely, 212223140220 is an apocalyptic number.

12223140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223140220 is an abundant number, since it is smaller than the sum of its proper divisors (13584089060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12223140220 is a wasteful number, since it uses less digits than its factorization.

12223140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12223140220 its reverse (2204132221), we get a palindrome (14427272441).

The spelling of 12223140220 in words is "twelve billion, two hundred twenty-three million, one hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 277 554 677 1108 1354 1385 2708 2770 3259 3385 5540 6518 6770 13036 13540 16295 32590 65180 187529 375058 750116 902743 937645 1805486 1875290 2206343 3610972 3750580 4412686 4513715 8825372 9027430 11031715 18054860 22063430 44126860 611157011 1222314022 2444628044 3055785055 6111570110 12223140220