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11442411431 = 113728114033
BaseRepresentation
bin10101010100000010…
…10101011110100111
31002112102220201121222
422222001111132213
5141413224131211
65131230330555
7553360615043
oct125201253647
932472821558
1011442411431
114941a41080
122274059a5b
131104798269
147a7955023
1546e82e1db
hex2aa0557a7

11442411431 has 8 divisors (see below), whose sum is σ = 12819999504. Its totient is φ = 10121051520.

The previous prime is 11442411349. The next prime is 11442411433. The reversal of 11442411431 is 13411424411.

It is a happy number.

11442411431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11442411431 - 210 = 11442410407 is a prime.

It is a super-2 number, since 2×114424114312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11442411431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442411433) 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 7 ways as a sum of consecutive naturals, for example, 14056610 + ... + 14057423.

It is an arithmetic number, because the mean of its divisors is an integer number (1602499938).

Almost surely, 211442411431 is an apocalyptic number.

11442411431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11442411431 is a deficient number, since it is larger than the sum of its proper divisors (1377588073).

11442411431 is a wasteful number, since it uses less digits than its factorization.

11442411431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28114081.

The product of its digits is 1536, while the sum is 26.

Adding to 11442411431 its reverse (13411424411), we get a palindrome (24853835842).

The spelling of 11442411431 in words is "eleven billion, four hundred forty-two million, four hundred eleven thousand, four hundred thirty-one".

Divisors: 1 11 37 407 28114033 309254363 1040219221 11442411431