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2918724668 = 221275745521
BaseRepresentation
bin1010110111111000…
…0011010000111100
321112102002120112122
42231332003100330
521434143142133
61201342222112
7132220515236
oct25576032074
97472076478
102918724668
1112685a9052
12695584938
133768c8822
141d98cb256
1512138c498
hexadf8343c

2918724668 has 12 divisors (see below), whose sum is σ = 5147987712. Its totient is φ = 1447871040.

The previous prime is 2918724649. The next prime is 2918724703. The reversal of 2918724668 is 8664278192.

It is a congruent number.

It is an unprimeable number.

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, 2872253 + ... + 2873268.

It is an arithmetic number, because the mean of its divisors is an integer number (428998976).

Almost surely, 22918724668 is an apocalyptic number.

It is an amenable number.

2918724668 is a deficient number, since it is larger than the sum of its proper divisors (2229263044).

2918724668 is a wasteful number, since it uses less digits than its factorization.

2918724668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745652 (or 5745650 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 2918724668 is about 54025.2225168948. Note that the first 3 decimals coincide. The cubic root of 2918724668 is about 1429.1057815895.

The spelling of 2918724668 in words is "two billion, nine hundred eighteen million, seven hundred twenty-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 127 254 508 5745521 11491042 22982084 729681167 1459362334 2918724668