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1143104342 = 2571552171
BaseRepresentation
bin100010000100010…
…0110001101010110
32221122221201100212
41010020212031112
54320113314332
6305232405422
740220140502
oct10410461526
92848851325
101143104342
11537286236
1227a9a6872
13152a93503
14abb5d302
156a54c8b2
hex44226356

1143104342 has 4 divisors (see below), whose sum is σ = 1714656516. Its totient is φ = 571552170.

The previous prime is 1143104329. The next prime is 1143104363. The reversal of 1143104342 is 2434013411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2434013411 = 19128105969.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285776084 + ... + 285776087.

It is an arithmetic number, because the mean of its divisors is an integer number (428664129).

Almost surely, 21143104342 is an apocalyptic number.

1143104342 is a deficient number, since it is larger than the sum of its proper divisors (571552174).

1143104342 is an equidigital number, since it uses as much as digits as its factorization.

1143104342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571552173.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1143104342 is about 33809.8261160864. The cubic root of 1143104342 is about 1045.5912931513.

Adding to 1143104342 its reverse (2434013411), we get a palindrome (3577117753).

The spelling of 1143104342 in words is "one billion, one hundred forty-three million, one hundred four thousand, three hundred forty-two".

Divisors: 1 2 571552171 1143104342