Search a number
-
+
20231103611 = 471672577539
BaseRepresentation
bin10010110101110111…
…100010010001111011
31221012221101112210202
4102311313202101323
5312413130303421
613143302432415
71314226354235
oct226567422173
957187345722
1020231103611
118641a26644
123b0743270b
131ba5532334
14d9cc83255
157d61bb10b
hex4b5de247b

20231103611 has 8 divisors (see below), whose sum is σ = 20785282560. Its totient is φ = 19682080168.

The previous prime is 20231103559. The next prime is 20231103617. The reversal of 20231103611 is 11630113202.

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 20231103611 - 26 = 20231103547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20231103617) 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, 1280921 + ... + 1296618.

It is an arithmetic number, because the mean of its divisors is an integer number (2598160320).

Almost surely, 220231103611 is an apocalyptic number.

20231103611 is a deficient number, since it is larger than the sum of its proper divisors (554178949).

20231103611 is a wasteful number, since it uses less digits than its factorization.

20231103611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577753.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20231103611 its reverse (11630113202), we get a palindrome (31861216813).

The spelling of 20231103611 in words is "twenty billion, two hundred thirty-one million, one hundred three thousand, six hundred eleven".

Divisors: 1 47 167 7849 2577539 121144333 430449013 20231103611