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11431034042240 = 27517860990691
BaseRepresentation
bin1010011001010111111010…
…1110010011011110000000
31111110210111102020201222002
42212111332232103132000
52444241224203322430
640151202231003132
72256602452116521
oct246257656233600
944423442221862
1011431034042240
11370796878a5aa
1213474b22094a8
1364bc324234a7
142b739d232848
1514c532884845
hexa657eb93780

11431034042240 has 32 divisors (see below), whose sum is σ = 27327315758760. Its totient is φ = 4572413616640.

The previous prime is 11431034042221. The next prime is 11431034042243. The reversal of 11431034042240 is 4224043013411.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431034042243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8930494706 + ... + 8930495985.

Almost surely, 211431034042240 is an apocalyptic number.

11431034042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431034042240 is an abundant number, since it is smaller than the sum of its proper divisors (15896281716520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431034042240 is an equidigital number, since it uses as much as digits as its factorization.

11431034042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17860990710 (or 17860990698 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 11431034042240 its reverse (4224043013411), we get a palindrome (15655077055651).

The spelling of 11431034042240 in words is "eleven trillion, four hundred thirty-one billion, thirty-four million, forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 17860990691 35721981382 71443962764 89304953455 142887925528 178609906910 285775851056 357219813820 571551702112 714439627640 1143103404224 1428879255280 2286206808448 2857758510560 5715517021120 11431034042240