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4919142913 = 7169283703
BaseRepresentation
bin1001001010011010…
…00010101000000001
3110200211020100111021
410211031002220001
540033300033123
62132042145441
7232621011346
oct44515025001
913624210437
104919142913
1120a4800973
12b534b2281
1360518b369
143494547cd
151dbcd3c5d
hex125342a01

4919142913 has 4 divisors (see below), whose sum is σ = 4988426688. Its totient is φ = 4849859140.

The previous prime is 4919142869. The next prime is 4919142923. The reversal of 4919142913 is 3192419194.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 4919142913 - 29 = 4919142401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4919142913.

It is not an unprimeable number, because it can be changed into a prime (4919142923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34641781 + ... + 34641922.

It is an arithmetic number, because the mean of its divisors is an integer number (1247106672).

Almost surely, 24919142913 is an apocalyptic number.

It is an amenable number.

4919142913 is a deficient number, since it is larger than the sum of its proper divisors (69283775).

4919142913 is an equidigital number, since it uses as much as digits as its factorization.

4919142913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69283774.

The product of its digits is 69984, while the sum is 43.

The square root of 4919142913 is about 70136.6018067599. The cubic root of 4919142913 is about 1700.7082300504.

The spelling of 4919142913 in words is "four billion, nine hundred nineteen million, one hundred forty-two thousand, nine hundred thirteen".

Divisors: 1 71 69283703 4919142913