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47809156486109 = 977152519320843
BaseRepresentation
bin10101101111011011011111…
…10010100001001111011101
320021021111210022120102021112
422313231233302201033131
522231301123030023414
6245403120121311405
713033045316002604
oct1267555762411735
9207244708512245
1047809156486109
11142628274aa6a7
125441899935565
13208a4cbb7cc75
14bb3d92b84a3b
1557d95c4ead3e
hex2b7b6fca13dd

47809156486109 has 8 divisors (see below), whose sum is σ = 47858554088640. Its totient is φ = 47759759832256.

The previous prime is 47809156486099. The next prime is 47809156486129. The reversal of 47809156486109 is 90168465190874.

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 47809156486109 - 212 = 47809156482013 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 (47809156486129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148850642 + ... + 149171484.

It is an arithmetic number, because the mean of its divisors is an integer number (5982319261080).

Almost surely, 247809156486109 is an apocalyptic number.

It is an amenable number.

47809156486109 is a deficient number, since it is larger than the sum of its proper divisors (49397602531).

47809156486109 is a wasteful number, since it uses less digits than its factorization.

47809156486109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474339.

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 47809156486109 in words is "forty-seven trillion, eight hundred nine billion, one hundred fifty-six million, four hundred eighty-six thousand, one hundred nine".

Divisors: 1 977 152519 320843 149011063 313463611 48934653517 47809156486109