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49321350865 = 526189376657
BaseRepresentation
bin101101111011110010…
…000001011011010001
311201022021211020000201
4231323302001123101
51302002231211430
634354035415201
73364141364563
oct557362013321
9151267736021
1049321350865
1119a0a6869a6
129685754501
1348602978a7
14255c553333
151439edd8ca
hexb7bc816d1

49321350865 has 8 divisors (see below), whose sum is σ = 59188038120. Its totient is φ = 39455469312.

The previous prime is 49321350833. The next prime is 49321350877. The reversal of 49321350865 is 56805312394.

It can be written as a sum of positive squares in 4 ways, for example, as 23654747601 + 25666603264 = 153801^2 + 160208^2 .

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 49321350865 - 25 = 49321350833 is a prime.

It is a super-2 number, since 2×493213508652 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57384 + ... + 319273.

It is an arithmetic number, because the mean of its divisors is an integer number (7398504765).

Almost surely, 249321350865 is an apocalyptic number.

It is an amenable number.

49321350865 is a deficient number, since it is larger than the sum of its proper divisors (9866687255).

49321350865 is a wasteful number, since it uses less digits than its factorization.

49321350865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402851.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 49321350865 in words is "forty-nine billion, three hundred twenty-one million, three hundred fifty thousand, eight hundred sixty-five".

Divisors: 1 5 26189 130945 376657 1883285 9864270173 49321350865