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1142300503 = 2389947797
BaseRepresentation
bin100010000010110…
…0001111101010111
32221121102212201001
41010011201331113
54314412104003
6305203244131
740210252111
oct10405417527
92847385631
101142300503
11536887303
1227a679647
13152871676
14ab9d03b1
156a43e61d
hex44161f57

1142300503 has 4 divisors (see below), whose sum is σ = 1142372200. Its totient is φ = 1142228808.

The previous prime is 1142300491. The next prime is 1142300507. The reversal of 1142300503 is 3050032411.

1142300503 is a nontrivial binomial coefficient, being equal to C(47798, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(1142300503) divides (1142300503-1)3.

It is a cyclic number.

It is not a de Polignac number, because 1142300503 - 225 = 1108746071 is a prime.

It is a deceptive number, since it divides R1142300502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142300507) 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, 1 + ... + 47797.

It is an arithmetic number, because the mean of its divisors is an integer number (285593050).

Almost surely, 21142300503 is an apocalyptic number.

1142300503 is the 47797-th triangular number and also the 23899-th hexagonal number.

1142300503 is the 15933-rd centered nonagonal number.

1142300503 is a deficient number, since it is larger than the sum of its proper divisors (71697).

1142300503 is an equidigital number, since it uses as much as digits as its factorization.

1142300503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71696.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1142300503 is about 33797.9363719148. The cubic root of 1142300503 is about 1045.3461466330.

Adding to 1142300503 its reverse (3050032411), we get a palindrome (4192332914).

The spelling of 1142300503 in words is "one billion, one hundred forty-two million, three hundred thousand, five hundred three".

Divisors: 1 23899 47797 1142300503