Search a number
-
+
21114140311 = 1111447167683
BaseRepresentation
bin10011101010100000…
…000011011010010111
32000111110222110102201
4103222200003122113
5321220204442221
613411045145331
71345141142245
oct235240033227
960443873381
1021114140311
118a55422140
1241130bb247
131cb6469864
141044265795
15838996891
hex4ea803697

21114140311 has 8 divisors (see below), whose sum is σ = 23035757184. Its totient is φ = 19192881720.

The previous prime is 21114140297. The next prime is 21114140401. The reversal of 21114140311 is 11304141112.

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 21114140311 - 215 = 21114107543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114140111) 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, 42076 + ... + 209758.

It is an arithmetic number, because the mean of its divisors is an integer number (2879469648).

Almost surely, 221114140311 is an apocalyptic number.

21114140311 is a deficient number, since it is larger than the sum of its proper divisors (1921616873).

21114140311 is a wasteful number, since it uses less digits than its factorization.

21114140311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179141.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 21114140311 its reverse (11304141112), we get a palindrome (32418281423).

The spelling of 21114140311 in words is "twenty-one billion, one hundred fourteen million, one hundred forty thousand, three hundred eleven".

Divisors: 1 11 11447 125917 167683 1844513 1919467301 21114140311