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1143401107 = 9671182421
BaseRepresentation
bin100010000100110…
…1110101010010011
32221200111210110011
41010021232222103
54320202313412
6305243015351
740222514632
oct10411565223
92850453404
101143401107
115374691a2
1227ab0a557
13152b68604
14abbd9519
156a5aa7a7
hex4426ea93

1143401107 has 4 divisors (see below), whose sum is σ = 1144584496. Its totient is φ = 1142217720.

The previous prime is 1143401053. The next prime is 1143401131. The reversal of 1143401107 is 7011043411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7011043411 = 27241257371.

It is a cyclic number.

It is not a de Polignac number, because 1143401107 - 223 = 1135012499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143401167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590244 + ... + 592177.

It is an arithmetic number, because the mean of its divisors is an integer number (286146124).

Almost surely, 21143401107 is an apocalyptic number.

1143401107 is a deficient number, since it is larger than the sum of its proper divisors (1183389).

1143401107 is an equidigital number, since it uses as much as digits as its factorization.

1143401107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183388.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1143401107 is about 33814.2145702070. The cubic root of 1143401107 is about 1045.6817684300.

Adding to 1143401107 its reverse (7011043411), we get a palindrome (8154444518).

The spelling of 1143401107 in words is "one billion, one hundred forty-three million, four hundred one thousand, one hundred seven".

Divisors: 1 967 1182421 1143401107