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11400015140 = 225836867479
BaseRepresentation
bin10101001110111111…
…00110110100100100
31002102111010202211222
422213133212310210
5141321400441030
65123113515512
7552334346513
oct124737466444
932374122758
1011400015140
114920014118
122261a12b98
1310c8a72ab7
147a207a67a
1546ac573e5
hex2a77e6d24

11400015140 has 24 divisors (see below), whose sum is σ = 24228469440. Its totient is φ = 4505065568.

The previous prime is 11400015127. The next prime is 11400015199. The reversal of 11400015140 is 4151000411.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3432080 + ... + 3435399.

It is an arithmetic number, because the mean of its divisors is an integer number (1009519560).

Almost surely, 211400015140 is an apocalyptic number.

11400015140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11400015140 is an abundant number, since it is smaller than the sum of its proper divisors (12828454300).

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

11400015140 is a wasteful number, since it uses less digits than its factorization.

11400015140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867571 (or 6867569 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 11400015140 its reverse (4151000411), we get a palindrome (15551015551).

The spelling of 11400015140 in words is "eleven billion, four hundred million, fifteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 6867479 13734958 27469916 34337395 68674790 137349580 570000757 1140001514 2280003028 2850003785 5700007570 11400015140