Search a number
-
+
23397189290 = 252339718929
BaseRepresentation
bin10101110010100101…
…001100011010101010
32020101120221100212022
4111302211030122222
5340404140024130
614425402544442
71455542553566
oct256245143252
966346840768
1023397189290
119a17115682
12464b808122
13228b458307
1411bd5606a6
1591e11a7e5
hex57294c6aa

23397189290 has 8 divisors (see below), whose sum is σ = 42114940740. Its totient is φ = 9358875712.

The previous prime is 23397189251. The next prime is 23397189313. The reversal of 23397189290 is 9298179332.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23330424049 + 66765241 = 152743^2 + 8171^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169859455 + ... + 1169859474.

Almost surely, 223397189290 is an apocalyptic number.

23397189290 is a deficient number, since it is larger than the sum of its proper divisors (18717751450).

23397189290 is a wasteful number, since it uses less digits than its factorization.

23397189290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339718936.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 23397189290 in words is "twenty-three billion, three hundred ninety-seven million, one hundred eighty-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 2339718929 4679437858 11698594645 23397189290