Search a number
-
+
10111231011 = 371391334607
BaseRepresentation
bin10010110101010110…
…10010010000100011
3222002200001202101110
421122223102100203
5131201433343021
64351154434403
7505365021420
oct113253222043
928080052343
1010111231011
114319587572
121b62292a03
13c51a63c3b
146bcc38d47
153e2a30476
hex25aad2423

10111231011 has 16 divisors (see below), whose sum is σ = 15409142784. Its totient is φ = 5777264064.

The previous prime is 10111230977. The next prime is 10111231019. The reversal of 10111231011 is 11013211101.

It is not a de Polignac number, because 10111231011 - 225 = 10077676579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111231019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274870 + ... + 309476.

It is an arithmetic number, because the mean of its divisors is an integer number (963071424).

Almost surely, 210111231011 is an apocalyptic number.

10111231011 is a deficient number, since it is larger than the sum of its proper divisors (5297911773).

10111231011 is a wasteful number, since it uses less digits than its factorization.

10111231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48530.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 10111231011 its reverse (11013211101), we get a palindrome (21124442112).

The spelling of 10111231011 in words is "ten billion, one hundred eleven million, two hundred thirty-one thousand, eleven".

Divisors: 1 3 7 21 13913 34607 41739 97391 103821 242249 292173 726747 481487191 1444461573 3370410337 10111231011