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4975619309 = 28751173059
BaseRepresentation
bin1001010001001000…
…11110110011101101
3110211202111122112122
410220210132303231
540142224304214
62141420442325
7234205031513
oct45044366355
913752448478
104975619309
112123675481
12b6a3a93a5
13613aa354b
14352b564b3
151e1c3c88e
hex12891eced

4975619309 has 4 divisors (see below), whose sum is σ = 4975821120. Its totient is φ = 4975417500.

The previous prime is 4975619267. The next prime is 4975619321. The reversal of 4975619309 is 9039165794.

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 4975619309 - 212 = 4975615213 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 (4975619399) 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 in 3 ways as a sum of consecutive naturals, for example, 57779 + ... + 115280.

It is an arithmetic number, because the mean of its divisors is an integer number (1243955280).

Almost surely, 24975619309 is an apocalyptic number.

It is an amenable number.

4975619309 is a deficient number, since it is larger than the sum of its proper divisors (201811).

4975619309 is a wasteful number, since it uses less digits than its factorization.

4975619309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201810.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 4975619309 is about 70538.0699268133. The cubic root of 4975619309 is about 1707.1920572068.

The spelling of 4975619309 in words is "four billion, nine hundred seventy-five million, six hundred nineteen thousand, three hundred nine".

Divisors: 1 28751 173059 4975619309