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11440031000 = 235317672943
BaseRepresentation
bin10101010011110000…
…10000010100011000
31002112021102210021212
422221320100110120
5141412121443000
65131103322252
7553331442026
oct125170202430
932467383255
1011440031000
114940665682
1222732b0388
131104143918
147a74d5716
1546e50dc35
hex2a9e10518

11440031000 has 64 divisors (see below), whose sum is σ = 28344401280. Its totient is φ = 4306828800.

The previous prime is 11440030997. The next prime is 11440031021. The reversal of 11440031000 is 13004411.

It is a happy number.

It is a super-3 number, since 3×114400310003 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319472 + ... + 353471.

It is an arithmetic number, because the mean of its divisors is an integer number (442881270).

Almost surely, 211440031000 is an apocalyptic number.

11440031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11440031000 is an abundant number, since it is smaller than the sum of its proper divisors (16904370280).

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

11440031000 is a wasteful number, since it uses less digits than its factorization.

11440031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672981 (or 672967 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11440031000 its reverse (13004411), we get a palindrome (11453035411).

The spelling of 11440031000 in words is "eleven billion, four hundred forty million, thirty-one thousand".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 125 136 170 200 250 340 425 500 680 850 1000 1700 2125 3400 4250 8500 17000 672943 1345886 2691772 3364715 5383544 6729430 11440031 13458860 16823575 22880062 26917720 33647150 45760124 57200155 67294300 84117875 91520248 114400310 134588600 168235750 228800620 286000775 336471500 457601240 572001550 672943000 1144003100 1430003875 2288006200 2860007750 5720015500 11440031000