Search a number
-
+
23260311661 = 131388145751
BaseRepresentation
bin10101101010011011…
…000011000001101101
32020001001101021001111
4111222123003001231
5340114114433121
614404033112021
71452261246466
oct255233030155
966031337044
1023260311661
119956926474
1246119b8611
132268ca2232
1411a92cdd6d
159120ce2e1
hex56a6c306d

23260311661 has 8 divisors (see below), whose sum is σ = 23444422848. Its totient is φ = 23076300000.

The previous prime is 23260311653. The next prime is 23260311673. The reversal of 23260311661 is 16611306232.

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 23260311661 - 23 = 23260311653 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 (23260311611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 485536 + ... + 531286.

It is an arithmetic number, because the mean of its divisors is an integer number (2930552856).

Almost surely, 223260311661 is an apocalyptic number.

It is an amenable number.

23260311661 is a deficient number, since it is larger than the sum of its proper divisors (184111187).

23260311661 is a wasteful number, since it uses less digits than its factorization.

23260311661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49763.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 23260311661 its reverse (16611306232), we get a palindrome (39871617893).

The spelling of 23260311661 in words is "twenty-three billion, two hundred sixty million, three hundred eleven thousand, six hundred sixty-one".

Divisors: 1 131 3881 45751 508411 5993381 177559631 23260311661