Search a number
-
+
12303001323020 = 2253119843550521
BaseRepresentation
bin1011001100001000010000…
…0001100000011000001100
31121120011012022112010201102
42303002010001200120030
53103033021314314040
642055530520002232
72406601561530632
oct263020401403014
947504168463642
1012303001323020
113a13745565551
1214684a2300378
136b3225276c75
1430767b58d352
15165068d35515
hexb308406060c

12303001323020 has 24 divisors (see below), whose sum is σ = 26669731901568. Its totient is φ = 4762452124800.

The previous prime is 12303001322863. The next prime is 12303001323097. The reversal of 12303001323020 is 2032310030321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12303001322983 and 12303001323001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9921774641 + ... + 9921775880.

It is an arithmetic number, because the mean of its divisors is an integer number (1111238829232).

Almost surely, 212303001323020 is an apocalyptic number.

12303001323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303001323020 is an abundant number, since it is smaller than the sum of its proper divisors (14366730578548).

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

12303001323020 is a wasteful number, since it uses less digits than its factorization.

12303001323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19843550561 (or 19843550559 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12303001323020 its reverse (2032310030321), we get a palindrome (14335311353341).

The spelling of 12303001323020 in words is "twelve trillion, three hundred three billion, one million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 19843550521 39687101042 79374202084 99217752605 198435505210 396871010420 615150066151 1230300132302 2460600264604 3075750330755 6151500661510 12303001323020