Search a number
-
+
20123010344 = 2323910524587
BaseRepresentation
bin10010101111011011…
…001100010100101000
31220221101222211201102
4102233123030110220
5312202442312334
613124441540532
71311444523433
oct225733142450
956841884642
1020123010344
118596a07568
123a971a4748
131b89016b18
14d8c78681a
157cb96867e
hex4af6cc528

20123010344 has 16 divisors (see below), whose sum is σ = 37888516800. Its totient is φ = 10019405872.

The previous prime is 20123010331. The next prime is 20123010433. The reversal of 20123010344 is 44301032102.

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, 5260382 + ... + 5264205.

It is an arithmetic number, because the mean of its divisors is an integer number (2368032300).

Almost surely, 220123010344 is an apocalyptic number.

It is an amenable number.

20123010344 is a deficient number, since it is larger than the sum of its proper divisors (17765506456).

20123010344 is a wasteful number, since it uses less digits than its factorization.

20123010344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524832 (or 10524828 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20123010344 its reverse (44301032102), we get a palindrome (64424042446).

The spelling of 20123010344 in words is "twenty billion, one hundred twenty-three million, ten thousand, three hundred forty-four".

Divisors: 1 2 4 8 239 478 956 1912 10524587 21049174 42098348 84196696 2515376293 5030752586 10061505172 20123010344