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1042144133 = 1879554627
BaseRepresentation
bin111110000111011…
…101101110000101
32200121222101222212
4332013131232011
54113242103013
6251224433205
734553036042
oct7607355605
92617871885
101042144133
11495299348
12251018805
13137ba4944
149c59c1c9
15617586a8
hex3e1ddb85

1042144133 has 4 divisors (see below), whose sum is σ = 1042700640. Its totient is φ = 1041587628.

The previous prime is 1042144127. The next prime is 1042144139. The reversal of 1042144133 is 3314412401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1042144127) and next prime (1042144139).

It is a cyclic number.

It is not a de Polignac number, because 1042144133 - 212 = 1042140037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042144099 and 1042144108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042144139) 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, 275435 + ... + 279192.

It is an arithmetic number, because the mean of its divisors is an integer number (260675160).

Almost surely, 21042144133 is an apocalyptic number.

It is an amenable number.

1042144133 is a deficient number, since it is larger than the sum of its proper divisors (556507).

1042144133 is an equidigital number, since it uses as much as digits as its factorization.

1042144133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556506.

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

The square root of 1042144133 is about 32282.2572475966. The cubic root of 1042144133 is about 1013.8551914271.

Adding to 1042144133 its reverse (3314412401), we get a palindrome (4356556534).

The spelling of 1042144133 in words is "one billion, forty-two million, one hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 1879 554627 1042144133