Search a number
-
+
23171574544061 = 96723962331483
BaseRepresentation
bin1010100010011000011010…
…11110000011011010111101
310001001011212212111200121212
411101030031132003122331
511014120341040402221
6121140512511334205
74611043134602426
oct521141536033275
9101034785450555
1023171574544061
117424011826169
122722981521365
13cc10bb02cb98
145a171dd7664d
152a2b2c296b5b
hex15130d7836bd

23171574544061 has 4 divisors (see below), whose sum is σ = 23195536876512. Its totient is φ = 23147612211612.

The previous prime is 23171574544049. The next prime is 23171574544093. The reversal of 23171574544061 is 16044547517132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23171574544061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23171574547061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11981164775 + ... + 11981166708.

It is an arithmetic number, because the mean of its divisors is an integer number (5798884219128).

Almost surely, 223171574544061 is an apocalyptic number.

It is an amenable number.

23171574544061 is a deficient number, since it is larger than the sum of its proper divisors (23962332451).

23171574544061 is an equidigital number, since it uses as much as digits as its factorization.

23171574544061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23962332450.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 23171574544061 in words is "twenty-three trillion, one hundred seventy-one billion, five hundred seventy-four million, five hundred forty-four thousand, sixty-one".

Divisors: 1 967 23962331483 23171574544061