Search a number
-
+
22866495140 = 2252621436217
BaseRepresentation
bin10101010010111100…
…110000011010100100
32012000121100022100102
4111102330300122210
5333312310321030
614301004203232
71436440000406
oct252274603244
965017308312
1022866495140
1197745a4275
124521b39518
1322055172c8
14116cc98b76
158dc73cc45
hex552f306a4

22866495140 has 24 divisors (see below), whose sum is σ = 48038071032. Its totient is φ = 9143087360.

The previous prime is 22866495139. The next prime is 22866495163. The reversal of 22866495140 is 4159466822.

It can be written as a sum of positive squares in 4 ways, for example, as 12313453156 + 10553041984 = 110966^2 + 102728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165689 + ... + 270528.

It is an arithmetic number, because the mean of its divisors is an integer number (2001586293).

Almost surely, 222866495140 is an apocalyptic number.

22866495140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22866495140 is an abundant number, since it is smaller than the sum of its proper divisors (25171575892).

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

22866495140 is a wasteful number, since it uses less digits than its factorization.

22866495140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438847 (or 438845 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 22866495140 in words is "twenty-two billion, eight hundred sixty-six million, four hundred ninety-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2621 5242 10484 13105 26210 52420 436217 872434 1744868 2181085 4362170 8724340 1143324757 2286649514 4573299028 5716623785 11433247570 22866495140