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11331402140 = 2254313176049
BaseRepresentation
bin10101000110110011…
…10111100110011100
31002020201000212111202
422203121313212130
5141201314332030
65112223135032
7550542220562
oct124331674634
932221025452
1011331402140
114895310163
122242a44478
1310b779b6a6
14796cd9a32
15464c02745
hex2a367799c

11331402140 has 24 divisors (see below), whose sum is σ = 24349340400. Its totient is φ = 4427152128.

The previous prime is 11331402127. The next prime is 11331402169. The reversal of 11331402140 is 4120413311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 6587165 + ... + 6588884.

It is an arithmetic number, because the mean of its divisors is an integer number (1014555850).

Almost surely, 211331402140 is an apocalyptic number.

11331402140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331402140 is an abundant number, since it is smaller than the sum of its proper divisors (13017938260).

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

11331402140 is a wasteful number, since it uses less digits than its factorization.

11331402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13176101 (or 13176099 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11331402140 its reverse (4120413311), we get a palindrome (15451815451).

The spelling of 11331402140 in words is "eleven billion, three hundred thirty-one million, four hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 13176049 26352098 52704196 65880245 131760490 263520980 566570107 1133140214 2266280428 2832850535 5665701070 11331402140