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49393057745 = 517581094797
BaseRepresentation
bin101110000000000011…
…100011111111010001
311201111021202022101002
4232000003203333101
51302124110321440
634405120351345
73366002030543
oct560003437721
9151437668332
1049393057745
1119a47103389
1296a5775555
1348720b32b5
142567c9b693
151441455115
hexb800e3fd1

49393057745 has 8 divisors (see below), whose sum is σ = 62758238184. Its totient is φ = 37190066944.

The previous prime is 49393057729. The next prime is 49393057751. The reversal of 49393057745 is 54775039394.

It can be written as a sum of positive squares in 4 ways, for example, as 14284791361 + 35108266384 = 119519^2 + 187372^2 .

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 49393057745 - 24 = 49393057729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 290547314 + ... + 290547483.

It is an arithmetic number, because the mean of its divisors is an integer number (7844779773).

Almost surely, 249393057745 is an apocalyptic number.

It is an amenable number.

49393057745 is a deficient number, since it is larger than the sum of its proper divisors (13365180439).

49393057745 is a wasteful number, since it uses less digits than its factorization.

49393057745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581094819.

The product of its (nonzero) digits is 14288400, while the sum is 56.

The spelling of 49393057745 in words is "forty-nine billion, three hundred ninety-three million, fifty-seven thousand, seven hundred forty-five".

Divisors: 1 5 17 85 581094797 2905473985 9878611549 49393057745