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1143014042 = 2571507021
BaseRepresentation
bin100010000100001…
…0000001010011010
32221122210010111102
41010020100022122
54320102422132
6305230431402
740216313312
oct10410201232
92848703442
101143014042
11537224405
1227a962562
13152a61391
14abb38442
156a530c62
hex4421029a

1143014042 has 4 divisors (see below), whose sum is σ = 1714521066. Its totient is φ = 571507020.

The previous prime is 1143014017. The next prime is 1143014063. The reversal of 1143014042 is 2404103411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2404103411 = 19071260673.

It can be written as a sum of positive squares in only one way, i.e., 954748201 + 188265841 = 30899^2 + 13721^2 .

It is a super-2 number, since 2×11430140422 = 2612962200418355528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285753509 + ... + 285753512.

Almost surely, 21143014042 is an apocalyptic number.

1143014042 is a deficient number, since it is larger than the sum of its proper divisors (571507024).

1143014042 is an equidigital number, since it uses as much as digits as its factorization.

1143014042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571507023.

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

The square root of 1143014042 is about 33808.4906791179. The cubic root of 1143014042 is about 1045.5637601209.

Adding to 1143014042 its reverse (2404103411), we get a palindrome (3547117453).

The spelling of 1143014042 in words is "one billion, one hundred forty-three million, fourteen thousand, forty-two".

Divisors: 1 2 571507021 1143014042