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1142141242 = 21151915511
BaseRepresentation
bin100010000010011…
…1011000100111010
32221121010210020111
41010010323010322
54314342004432
6305200014534
740206016564
oct10404730472
92847123214
101142141242
11536788690
1227a60144a
13152817028
14ab98c334
156a40c347
hex4413b13a

1142141242 has 8 divisors (see below), whose sum is σ = 1868958432. Its totient is φ = 519155100.

The previous prime is 1142141207. The next prime is 1142141251. The reversal of 1142141242 is 2421412411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 51915511 = 1142141242 / (1 + 1 + 4 + 2 + 1 + 4 + 1 + 2 + 4 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25957734 + ... + 25957777.

It is an arithmetic number, because the mean of its divisors is an integer number (233619804).

Almost surely, 21142141242 is an apocalyptic number.

1142141242 is a deficient number, since it is larger than the sum of its proper divisors (726817190).

1142141242 is a wasteful number, since it uses less digits than its factorization.

1142141242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51915524.

The product of its digits is 512, while the sum is 22.

The square root of 1142141242 is about 33795.5802139866. The cubic root of 1142141242 is about 1045.2975632086.

Adding to 1142141242 its reverse (2421412411), we get a palindrome (3563553653).

The spelling of 1142141242 in words is "one billion, one hundred forty-two million, one hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 11 22 51915511 103831022 571070621 1142141242