Search a number
-
+
11110144031 = 73783895807
BaseRepresentation
bin10100101100011011…
…10101100000011111
31001200021200210102222
422112031311200133
5140223144102111
65034240535555
7542214444320
oct122615654037
931607623388
1011110144031
114791428718
1221a09215bb
1310809b042c
14775782447
154505997db
hex29637581f

11110144031 has 32 divisors (see below), whose sum is σ = 13348177920. Its totient is φ = 9049556736.

The previous prime is 11110144013. The next prime is 11110144039. The reversal of 11110144031 is 13044101111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11110144031 is a prime.

It is a super-2 number, since 2×111101440312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110144039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1910330 + ... + 1916136.

It is an arithmetic number, because the mean of its divisors is an integer number (417130560).

Almost surely, 211110144031 is an apocalyptic number.

11110144031 is a deficient number, since it is larger than the sum of its proper divisors (2238033889).

11110144031 is an equidigital number, since it uses as much as digits as its factorization.

11110144031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11110144031 its reverse (13044101111), we get a palindrome (24154245142).

The spelling of 11110144031 in words is "eleven billion, one hundred ten million, one hundred forty-four thousand, thirty-one".

Divisors: 1 7 37 83 89 259 581 623 3071 3293 5807 7387 21497 23051 40649 51709 214859 273319 481981 516823 1504013 1913233 3373867 3617761 17833297 19122451 42896309 124833079 133857157 300274163 1587163433 11110144031