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1142010140 = 225291968983
BaseRepresentation
bin100010000010001…
…1011000100011100
32221120220010101212
41010010123010130
54314323311030
6305153123552
740204632425
oct10404330434
92846803355
101142010140
115366a9137
1227a5595b8
1315279c45b
14ab95664c
156a3d3595
hex4411b11c

1142010140 has 24 divisors (see below), whose sum is σ = 2480919840. Its totient is φ = 441051968.

The previous prime is 1142010119. The next prime is 1142010157. The reversal of 1142010140 is 410102411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983912 + ... + 985071.

It is an arithmetic number, because the mean of its divisors is an integer number (103371660).

Almost surely, 21142010140 is an apocalyptic number.

1142010140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142010140 is an abundant number, since it is smaller than the sum of its proper divisors (1338909700).

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

1142010140 is a wasteful number, since it uses less digits than its factorization.

1142010140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969021 (or 1969019 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1142010140 is about 33793.6405259925. The cubic root of 1142010140 is about 1045.2575664493.

Adding to 1142010140 its reverse (410102411), we get a palindrome (1552112551).

The spelling of 1142010140 in words is "one billion, one hundred forty-two million, ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 1968983 3937966 7875932 9844915 19689830 39379660 57100507 114201014 228402028 285502535 571005070 1142010140