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1142513429 is a prime number
BaseRepresentation
bin100010000011001…
…0101111100010101
32221121211200210012
41010012111330111
54314440412204
6305212010005
740212126641
oct10406257425
92847750705
101142513429
11536a12282
1227a760905
13152917565
14aba47c21
156a48276e
hex44195f15

1142513429 has 2 divisors, whose sum is σ = 1142513430. Its totient is φ = 1142513428.

The previous prime is 1142513423. The next prime is 1142513461. The reversal of 1142513429 is 9243152411.

It is an a-pointer prime, because the next prime (1142513461) can be obtained adding 1142513429 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 954686404 + 187827025 = 30898^2 + 13705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1142513429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1142513395 and 1142513404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142513423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571256714 + 571256715.

It is an arithmetic number, because the mean of its divisors is an integer number (571256715).

Almost surely, 21142513429 is an apocalyptic number.

It is an amenable number.

1142513429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142513429 is an equidigital number, since it uses as much as digits as its factorization.

1142513429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 1142513429 is about 33801.0862103572. The cubic root of 1142513429 is about 1045.4110938002.

The spelling of 1142513429 in words is "one billion, one hundred forty-two million, five hundred thirteen thousand, four hundred twenty-nine".