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1014402143 = 2344104441
BaseRepresentation
bin111100011101101…
…000110001011111
32121200202222010202
4330131220301133
54034141332033
6244354054115
734065163436
oct7435506137
92550688122
101014402143
11480670387
1224387a33b
13132210671
1498a1a11d
155e0c88e8
hex3c768c5f

1014402143 has 4 divisors (see below), whose sum is σ = 1058506608. Its totient is φ = 970297680.

The previous prime is 1014402113. The next prime is 1014402157. The reversal of 1014402143 is 3412044101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412044101 = 4772596683.

It is a cyclic number.

It is not a de Polignac number, because 1014402143 - 210 = 1014401119 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 (1014402113) 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, 22052198 + ... + 22052243.

It is an arithmetic number, because the mean of its divisors is an integer number (264626652).

Almost surely, 21014402143 is an apocalyptic number.

1014402143 is a deficient number, since it is larger than the sum of its proper divisors (44104465).

1014402143 is an equidigital number, since it uses as much as digits as its factorization.

1014402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44104464.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1014402143 is about 31849.6804222586. The cubic root of 1014402143 is about 1004.7778501255. Note that the first 3 decimals are identical.

Adding to 1014402143 its reverse (3412044101), we get a palindrome (4426446244).

The spelling of 1014402143 in words is "one billion, fourteen million, four hundred two thousand, one hundred forty-three".

Divisors: 1 23 44104441 1014402143