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4768238191 = 42531121147
BaseRepresentation
bin1000111000011010…
…11000101001101111
3110022022021121010111
410130031120221233
534231132110231
62105051520451
7226106233033
oct43415305157
913268247114
104768238191
112027600a22
12b10a59127
135acb33722
143333b21c3
151cd9264b1
hex11c358a6f

4768238191 has 4 divisors (see below), whose sum is σ = 4769363592. Its totient is φ = 4767112792.

The previous prime is 4768238177. The next prime is 4768238197. The reversal of 4768238191 is 1918328674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4768238191 - 25 = 4768238159 is a prime.

It is a super-3 number, since 3×47682381913 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4768238197) 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, 556321 + ... + 564826.

It is an arithmetic number, because the mean of its divisors is an integer number (1192340898).

Almost surely, 24768238191 is an apocalyptic number.

4768238191 is a deficient number, since it is larger than the sum of its proper divisors (1125401).

4768238191 is a wasteful number, since it uses less digits than its factorization.

4768238191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125400.

The product of its digits is 580608, while the sum is 49.

The square root of 4768238191 is about 69052.4307392578. The cubic root of 4768238191 is about 1683.1364065376.

The spelling of 4768238191 in words is "four billion, seven hundred sixty-eight million, two hundred thirty-eight thousand, one hundred ninety-one".

Divisors: 1 4253 1121147 4768238191