Search a number
-
+
20232729893 = 191383276581
BaseRepresentation
bin10010110101111101…
…101111010100100101
31221020001110011122102
4102311331233110211
5312414034324033
613143401341445
71314246236465
oct226575572445
957201404572
1020232729893
118642937482
123b07a97885
131ba598162c
14d9d187ba5
157d63dcde8
hex4b5f6f525

20232729893 has 8 divisors (see below), whose sum is σ = 20391837696. Its totient is φ = 20074176400.

The previous prime is 20232729883. The next prime is 20232729901. The reversal of 20232729893 is 39892723202.

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

It is not a de Polignac number, because 20232729893 - 210 = 20232728869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232729863) 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, 65138 + ... + 211443.

It is an arithmetic number, because the mean of its divisors is an integer number (2548979712).

Almost surely, 220232729893 is an apocalyptic number.

It is an amenable number.

20232729893 is a deficient number, since it is larger than the sum of its proper divisors (159107803).

20232729893 is a wasteful number, since it uses less digits than its factorization.

20232729893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277155.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 20232729893 in words is "twenty billion, two hundred thirty-two million, seven hundred twenty-nine thousand, eight hundred ninety-three".

Divisors: 1 191 383 73153 276581 52826971 105930523 20232729893