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2918805442 = 27229783729
BaseRepresentation
bin1010110111111001…
…0110111111000010
321112102020200100021
42231332112333002
521434203233232
61201344044054
7132221302600
oct25576267702
97472220307
102918805442
111268653803
1269560362a
13376926517
141d990c870
151213a6397
hexadf96fc2

2918805442 has 12 divisors (see below), whose sum is σ = 5093017830. Its totient is φ = 1250916576.

The previous prime is 2918805437. The next prime is 2918805443. The reversal of 2918805442 is 2445088192.

It can be written as a sum of positive squares in only one way, i.e., 2765813281 + 152992161 = 52591^2 + 12369^2 .

It is not an unprimeable number, because it can be changed into a prime (2918805443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14891767 + ... + 14891962.

Almost surely, 22918805442 is an apocalyptic number.

2918805442 is a deficient number, since it is larger than the sum of its proper divisors (2174212388).

2918805442 is a wasteful number, since it uses less digits than its factorization.

2918805442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29783745 (or 29783738 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 2918805442 is about 54025.9700699580. The cubic root of 2918805442 is about 1429.1189646904.

The spelling of 2918805442 in words is "two billion, nine hundred eighteen million, eight hundred five thousand, four hundred forty-two".

Divisors: 1 2 7 14 49 98 29783729 59567458 208486103 416972206 1459402721 2918805442