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2942518091 = 7382948623
BaseRepresentation
bin1010111101100011…
…0100001101001011
321121001212101222112
42233120310031023
522011241034331
61203552212535
7132626663642
oct25730641513
97531771875
102942518091
11127aa7a437
126a153a14b
1337b809786
141dcb22359
151234dc32b
hexaf63434b

2942518091 has 8 divisors (see below), whose sum is σ = 2986486080. Its totient is φ = 2898649152.

The previous prime is 2942518081. The next prime is 2942518097. The reversal of 2942518091 is 1908152492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2942518091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2942518097) 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, 36206 + ... + 84828.

It is an arithmetic number, because the mean of its divisors is an integer number (373310760).

Almost surely, 22942518091 is an apocalyptic number.

2942518091 is a deficient number, since it is larger than the sum of its proper divisors (43967989).

2942518091 is an equidigital number, since it uses as much as digits as its factorization.

2942518091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49525.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 2942518091 is about 54244.9821734693. The cubic root of 2942518091 is about 1432.9786301975.

The spelling of 2942518091 in words is "two billion, nine hundred forty-two million, five hundred eighteen thousand, ninety-one".

Divisors: 1 73 829 48623 60517 3549479 40308467 2942518091