Search a number
-
+
22405696970 = 252240569697
BaseRepresentation
bin10100110111011110…
…111100110111001010
32010211111021100002112
4110313132330313022
5331341324300340
614143143502322
71422143165456
oct246736746712
963744240075
1022405696970
119558482838
1244137579a2
132160c09677
1411279c9666
158b206a065
hex5377bcdca

22405696970 has 8 divisors (see below), whose sum is σ = 40330254564. Its totient is φ = 8962278784.

The previous prime is 22405696967. The next prime is 22405696991. The reversal of 22405696970 is 7969650422.

It can be written as a sum of positive squares in 2 ways, for example, as 20209181281 + 2196515689 = 142159^2 + 46867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×224056969702 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120284839 + ... + 1120284858.

Almost surely, 222405696970 is an apocalyptic number.

22405696970 is a deficient number, since it is larger than the sum of its proper divisors (17924557594).

22405696970 is a wasteful number, since it uses less digits than its factorization.

22405696970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240569704.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 22405696970 in words is "twenty-two billion, four hundred five million, six hundred ninety-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 2240569697 4481139394 11202848485 22405696970