Search a number
-
+
11020444031 = 41112680721
BaseRepresentation
bin10100100001101111…
…01010000101111111
31001110000220120011202
422100313222011333
5140032213202111
65021314210115
7540045141302
oct122067520577
931400816152
1011020444031
114745831793
12217688393b
131068234bcc
147678b2b39
1544777bb3b
hex290dea17f

11020444031 has 4 divisors (see below), whose sum is σ = 11023128864. Its totient is φ = 11017759200.

The previous prime is 11020444009. The next prime is 11020444069. The reversal of 11020444031 is 13044402011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11020444031 - 226 = 10953335167 is a prime.

It is a super-2 number, since 2×110204440312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020443994 and 11020444012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020444091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336250 + ... + 1344471.

It is an arithmetic number, because the mean of its divisors is an integer number (2755782216).

Almost surely, 211020444031 is an apocalyptic number.

11020444031 is a deficient number, since it is larger than the sum of its proper divisors (2684833).

11020444031 is an equidigital number, since it uses as much as digits as its factorization.

11020444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684832.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11020444031 its reverse (13044402011), we get a palindrome (24064846042).

The spelling of 11020444031 in words is "eleven billion, twenty million, four hundred forty-four thousand, thirty-one".

Divisors: 1 4111 2680721 11020444031