Search a number
-
+
22893986838 = 2329131574637
BaseRepresentation
bin10101010100100101…
…101000010000010110
32012002112002000212110
4111110211220100112
5333341330034323
614303425331450
71440222451212
oct252445502026
965075060773
1022893986838
119789071188
12452b196b86
13220b121698
1411727b3942
158ded6d793
hex554968416

22893986838 has 16 divisors (see below), whose sum is σ = 47366869680. Its totient is φ = 7368179616.

The previous prime is 22893986833. The next prime is 22893986839. The reversal of 22893986838 is 83868939822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22893986831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65787145 + ... + 65787492.

It is an arithmetic number, because the mean of its divisors is an integer number (2960429355).

Almost surely, 222893986838 is an apocalyptic number.

22893986838 is an abundant number, since it is smaller than the sum of its proper divisors (24472882842).

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

22893986838 is a wasteful number, since it uses less digits than its factorization.

22893986838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131574671.

The product of its digits is 71663616, while the sum is 66.

The spelling of 22893986838 in words is "twenty-two billion, eight hundred ninety-three million, nine hundred eighty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 29 58 87 174 131574637 263149274 394723911 789447822 3815664473 7631328946 11446993419 22893986838