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1142103242 = 27307265729
BaseRepresentation
bin100010000010011…
…0001110011001010
32221121001212010002
41010010301303022
54314334300432
6305155123002
740205501030
oct10404616312
92847055102
101142103242
11536762085
1227a5a3462
13152802947
14ab97c550
156a400e62
hex44131cca

1142103242 has 16 divisors (see below), whose sum is σ = 1964276160. Its totient is φ = 487876608.

The previous prime is 1142103241. The next prime is 1142103329. The reversal of 1142103242 is 2423012411.

It is not an unprimeable number, because it can be changed into a prime (1142103241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128567 + ... + 137162.

It is an arithmetic number, because the mean of its divisors is an integer number (122767260).

Almost surely, 21142103242 is an apocalyptic number.

1142103242 is a deficient number, since it is larger than the sum of its proper divisors (822172918).

1142103242 is a wasteful number, since it uses less digits than its factorization.

1142103242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266045.

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

The square root of 1142103242 is about 33795.0180056173. The cubic root of 1142103242 is about 1045.2859704369.

Adding to 1142103242 its reverse (2423012411), we get a palindrome (3565115653).

The spelling of 1142103242 in words is "one billion, one hundred forty-two million, one hundred three thousand, two hundred forty-two".

Divisors: 1 2 7 14 307 614 2149 4298 265729 531458 1860103 3720206 81578803 163157606 571051621 1142103242