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10142645302 = 25071322651
BaseRepresentation
bin10010111001000110…
…00111110000110110
3222011212011202200201
421130203013300312
5131233004122202
64354240031114
7506226030316
oct113443076066
928155152621
1010142645302
114335293599
121b7090249a
13c5841288a
146c3095446
153e5688387
hex25c8c7c36

10142645302 has 4 divisors (see below), whose sum is σ = 15213967956. Its totient is φ = 5071322650.

The previous prime is 10142645291. The next prime is 10142645309. The reversal of 10142645302 is 20354624101.

10142645302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20354624101 = 72907803443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142645309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535661324 + ... + 2535661327.

It is an arithmetic number, because the mean of its divisors is an integer number (3803491989).

Almost surely, 210142645302 is an apocalyptic number.

10142645302 is a deficient number, since it is larger than the sum of its proper divisors (5071322654).

10142645302 is an equidigital number, since it uses as much as digits as its factorization.

10142645302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071322653.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 10142645302 in words is "ten billion, one hundred forty-two million, six hundred forty-five thousand, three hundred two".

Divisors: 1 2 5071322651 10142645302