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3142506253 = 171811021289
BaseRepresentation
bin1011101101001110…
…1101011100001101
322010000011212011111
42323103231130031
522413440200003
61235454452021
7140605601545
oct27323553415
98100155144
103142506253
111372954507
12738504011
133b108b573
1421b500325
15135d42e6d
hexbb4ed70d

3142506253 has 8 divisors (see below), whose sum is σ = 3345746040. Its totient is φ = 2941309440.

The previous prime is 3142506217. The next prime is 3142506313. The reversal of 3142506253 is 3526052413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33663204 + 3108843049 = 5802^2 + 55757^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3142506253 - 229 = 2605635341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142566253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507568 + ... + 513721.

It is an arithmetic number, because the mean of its divisors is an integer number (418218255).

Almost surely, 23142506253 is an apocalyptic number.

It is an amenable number.

3142506253 is a deficient number, since it is larger than the sum of its proper divisors (203239787).

3142506253 is a wasteful number, since it uses less digits than its factorization.

3142506253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021487.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 3142506253 is about 56058.0614452551. The cubic root of 3142506253 is about 1464.7338453462.

Adding to 3142506253 its reverse (3526052413), we get a palindrome (6668558666).

The spelling of 3142506253 in words is "three billion, one hundred forty-two million, five hundred six thousand, two hundred fifty-three".

Divisors: 1 17 181 3077 1021289 17361913 184853309 3142506253