Search a number
-
+
20375638141 = 591496923071
BaseRepresentation
bin10010111110011110…
…111001000001111101
31221121000100122220111
4102332132321001331
5313212130410031
613205504350021
71320633031555
oct227636710175
957530318814
1020375638141
118706575571
123b47915311
131bc9469621
14db4148165
157e3c1b1b1
hex4be7b907d

20375638141 has 8 divisors (see below), whose sum is σ = 20723270400. Its totient is φ = 20028082080.

The previous prime is 20375638139. The next prime is 20375638187. The reversal of 20375638141 is 14183657302.

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

It is a cyclic number.

It is not a de Polignac number, because 20375638141 - 21 = 20375638139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20375638094 and 20375638103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20375638121) 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, 871636 + ... + 894706.

It is an arithmetic number, because the mean of its divisors is an integer number (2590408800).

Almost surely, 220375638141 is an apocalyptic number.

It is an amenable number.

20375638141 is a deficient number, since it is larger than the sum of its proper divisors (347632259).

20375638141 is a wasteful number, since it uses less digits than its factorization.

20375638141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38099.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 20375638141 in words is "twenty billion, three hundred seventy-five million, six hundred thirty-eight thousand, one hundred forty-one".

Divisors: 1 59 14969 23071 883171 1361189 345349799 20375638141