Search a number
-
+
11131072001 = 729416719961
BaseRepresentation
bin10100101110111011…
…01010111000000001
31001201202002001012222
422113131222320001
5140244023301001
65040305300425
7542560356650
oct122735527001
931652061188
1011131072001
1147a2222165
1221a7934715
13108512a04a
1477846d197
1545233061b
hex29776ae01

11131072001 has 32 divisors (see below), whose sum is σ = 13682753280. Its totient is φ = 8852659200.

The previous prime is 11131071989. The next prime is 11131072013. The reversal of 11131072001 is 10027013111.

11131072001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11131071989) and next prime (11131072013).

It is a de Polignac number, because none of the positive numbers 2k-11131072001 is a prime.

It is a super-2 number, since 2×111310720012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11131072091) 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 31 ways as a sum of consecutive naturals, for example, 547661 + ... + 567621.

It is an arithmetic number, because the mean of its divisors is an integer number (427586040).

Almost surely, 211131072001 is an apocalyptic number.

It is an amenable number.

11131072001 is a deficient number, since it is larger than the sum of its proper divisors (2551681279).

11131072001 is a wasteful number, since it uses less digits than its factorization.

11131072001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20105.

The product of its (nonzero) digits is 42, while the sum is 17.

Adding to 11131072001 its reverse (10027013111), we get a palindrome (21158085112).

The spelling of 11131072001 in words is "eleven billion, one hundred thirty-one million, seventy-two thousand, one".

Divisors: 1 7 29 41 67 203 287 469 1189 1943 2747 8323 13601 19229 19961 79663 139727 557641 578869 818401 1337387 4052083 5728807 9361709 23733629 38784223 54832867 166135403 271489561 383830069 1590153143 11131072001