Search a number
-
+
21883338426 = 2319269114621
BaseRepresentation
bin10100011000010110…
…010011111010111010
32002111002100202212210
4110120112103322322
5324304113312201
614015243515550
71403201210325
oct243026237272
962432322783
1021883338426
11930a635064
1242a8828bb6
1320a9926781
1410b84937bc
158812871d6
hex518593eba

21883338426 has 48 divisors (see below), whose sum is σ = 46261434528. Its totient is φ = 6900055200.

The previous prime is 21883338391. The next prime is 21883338427. The reversal of 21883338426 is 62483338812.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21883338427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1489396 + ... + 1504016.

It is an arithmetic number, because the mean of its divisors is an integer number (963779886).

Almost surely, 221883338426 is an apocalyptic number.

21883338426 is an abundant number, since it is smaller than the sum of its proper divisors (24378096102).

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

21883338426 is a wasteful number, since it uses less digits than its factorization.

21883338426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15355 (or 15336 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The spelling of 21883338426 in words is "twenty-one billion, eight hundred eighty-three million, three hundred thirty-eight thousand, four hundred twenty-six".

Divisors: 1 2 3 6 19 38 57 114 361 691 722 1083 1382 2073 2166 4146 13129 14621 26258 29242 39387 43863 78774 87726 249451 277799 498902 555598 748353 833397 1496706 1666794 5278181 10103111 10556362 15834543 20206222 30309333 31669086 60618666 191959109 383918218 575877327 1151754654 3647223071 7294446142 10941669213 21883338426