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1140102143 = 29281139907
BaseRepresentation
bin100001111110100…
…1001001111111111
32221110022012010022
41003331021033333
54313331232033
6305044202355
740152464645
oct10375111777
92843265108
101140102143
11535615684
122799993bb
13152281b6b
14ab5bb195
156a158098
hex43f493ff

1140102143 has 8 divisors (see below), whose sum is σ = 1183621680. Its totient is φ = 1096863040.

The previous prime is 1140102137. The next prime is 1140102151. The reversal of 1140102143 is 3412010411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140102143 - 224 = 1123324927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140101143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61805 + ... + 78102.

It is an arithmetic number, because the mean of its divisors is an integer number (147952710).

Almost surely, 21140102143 is an apocalyptic number.

1140102143 is a deficient number, since it is larger than the sum of its proper divisors (43519537).

1140102143 is a wasteful number, since it uses less digits than its factorization.

1140102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140217.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1140102143 is about 33765.3986056732. The cubic root of 1140102143 is about 1044.6751256170.

Adding to 1140102143 its reverse (3412010411), we get a palindrome (4552112554).

The spelling of 1140102143 in words is "one billion, one hundred forty million, one hundred two thousand, one hundred forty-three".

Divisors: 1 29 281 8149 139907 4057303 39313867 1140102143