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49728342747 = 379209824231
BaseRepresentation
bin101110010100000010…
…100100101011011011
311202100122122112221010
4232110002210223123
51303320423431442
634502254545003
73410212640046
oct562402445333
9152318575833
1049728342747
111a0a9397a26
129779b08163
1348c66b67a5
14259a617c5d
151460ad3b9c
hexb940a4adb

49728342747 has 8 divisors (see below), whose sum is σ = 67143754240. Its totient is φ = 32732579880.

The previous prime is 49728342739. The next prime is 49728342767. The reversal of 49728342747 is 74724382794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49728342747 - 23 = 49728342739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49728342707) 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 7 ways as a sum of consecutive naturals, for example, 104911879 + ... + 104912352.

It is an arithmetic number, because the mean of its divisors is an integer number (8392969280).

Almost surely, 249728342747 is an apocalyptic number.

49728342747 is a deficient number, since it is larger than the sum of its proper divisors (17415411493).

49728342747 is a wasteful number, since it uses less digits than its factorization.

49728342747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209824313.

The product of its digits is 18966528, while the sum is 57.

The spelling of 49728342747 in words is "forty-nine billion, seven hundred twenty-eight million, three hundred forty-two thousand, seven hundred forty-seven".

Divisors: 1 3 79 237 209824231 629472693 16576114249 49728342747