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3145142629 is a prime number
BaseRepresentation
bin1011101101110111…
…0001000101100101
322010012010210121001
42323131301011211
522420124031004
61240031153301
7140640162016
oct27335610545
98105123531
103145142629
111374395232
12739375831
133b17a2555
1421b9c900d
151361b41a4
hexbb771165

3145142629 has 2 divisors, whose sum is σ = 3145142630. Its totient is φ = 3145142628.

The previous prime is 3145142621. The next prime is 3145142639. The reversal of 3145142629 is 9262415413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1632321604 + 1512821025 = 40402^2 + 38895^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145142629 - 23 = 3145142621 is a prime.

It is a super-3 number, since 3×31451426293 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145142621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572571314 + 1572571315.

It is an arithmetic number, because the mean of its divisors is an integer number (1572571315).

Almost surely, 23145142629 is an apocalyptic number.

It is an amenable number.

3145142629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145142629 is an equidigital number, since it uses as much as digits as its factorization.

3145142629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 3145142629 is about 56081.5712065916. The cubic root of 3145142629 is about 1465.1433390716.

The spelling of 3145142629 in words is "three billion, one hundred forty-five million, one hundred forty-two thousand, six hundred twenty-nine".