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7154398085 = 53146157407
BaseRepresentation
bin1101010100110111…
…10111001110000101
3200110121021002010212
412222123313032011
5104123011214320
63141531325205
7342202244312
oct65233671605
920417232125
107154398085
11304152019a
121477bb0805
138a02b4963
144bc26bd09
152bd1669c5
hex1aa6f7385

7154398085 has 8 divisors (see below), whose sum is σ = 8862222336. Its totient is φ = 5538888720.

The previous prime is 7154398081. The next prime is 7154398117. The reversal of 7154398085 is 5808934517.

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

It is not a de Polignac number, because 7154398085 - 22 = 7154398081 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 (7154398081) by changing a digit.

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, 23078549 + ... + 23078858.

It is an arithmetic number, because the mean of its divisors is an integer number (1107777792).

Almost surely, 27154398085 is an apocalyptic number.

It is an amenable number.

7154398085 is a deficient number, since it is larger than the sum of its proper divisors (1707824251).

7154398085 is a wasteful number, since it uses less digits than its factorization.

7154398085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46157443.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 7154398085 is about 84583.6750502129. The cubic root of 7154398085 is about 1926.8934501782.

The spelling of 7154398085 in words is "seven billion, one hundred fifty-four million, three hundred ninety-eight thousand, eighty-five".

Divisors: 1 5 31 155 46157407 230787035 1430879617 7154398085