Search a number
-
+
20003203242 = 23211101026279
BaseRepresentation
bin10010101000010010…
…001010100010101010
31220122001120000021100
4102220102022202222
5311431310000432
613104522022230
71305461264541
oct225022124252
956561500240
1020003203242
118535317730
123a63047976
131b6a259949
14d7a8bb158
157c11a007c
hex4a848a8aa

20003203242 has 24 divisors (see below), whose sum is σ = 47280299040. Its totient is φ = 6061576680.

The previous prime is 20003203151. The next prime is 20003203261. The reversal of 20003203242 is 24230230002.

20003203242 is a `hidden beast` number, since 20 + 0 + 0 + 320 + 324 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 50512942 + ... + 50513337.

It is an arithmetic number, because the mean of its divisors is an integer number (1970012460).

Almost surely, 220003203242 is an apocalyptic number.

20003203242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20003203242 is an abundant number, since it is smaller than the sum of its proper divisors (27277095798).

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

20003203242 is a wasteful number, since it uses less digits than its factorization.

20003203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101026298 (or 101026295 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20003203242 its reverse (24230230002), we get a palindrome (44233433244).

The spelling of 20003203242 in words is "twenty billion, three million, two hundred three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 101026279 202052558 303078837 606157674 909236511 1111289069 1818473022 2222578138 3333867207 6667734414 10001601621 20003203242