Search a number
-
+
12301053220 = 22518119117791
BaseRepresentation
bin10110111010011001…
…10010110100100100
31011202021121020201201
423131030302310210
5200143032200340
65352342132244
7613555140631
oct133514626444
934667536651
1012301053220
115242695395
122473721084
131210640b21
148499c7188
154beddb79a
hex2dd332d24

12301053220 has 48 divisors (see below), whose sum is σ = 26112393216. Its totient is φ = 4867344000.

The previous prime is 12301053217. The next prime is 12301053227. The reversal of 12301053220 is 2235010321.

12301053220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12301053227) by changing a digit.

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, 682525 + ... + 700315.

It is an arithmetic number, because the mean of its divisors is an integer number (544008192).

Almost surely, 212301053220 is an apocalyptic number.

12301053220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12301053220 is an abundant number, since it is smaller than the sum of its proper divisors (13811339996).

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

12301053220 is a wasteful number, since it uses less digits than its factorization.

12301053220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18172 (or 18170 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12301053220 its reverse (2235010321), we get a palindrome (14536063541).

The spelling of 12301053220 in words is "twelve billion, three hundred one million, fifty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 181 191 362 382 724 764 905 955 1810 1910 3620 3820 17791 34571 35582 69142 71164 88955 138284 172855 177910 345710 355820 691420 3220171 3398081 6440342 6796162 12880684 13592324 16100855 16990405 32201710 33980810 64403420 67961620 615052661 1230105322 2460210644 3075263305 6150526610 12301053220