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7118344242 = 232395463569
BaseRepresentation
bin1101010000100100…
…10101000000110010
3200101002102100120100
412220102111000302
5104034244003432
63134202453230
7341253633132
oct65022250062
920332370510
107118344242
113023135429
121467b04216
138959a0319
144b7564ac2
152b9de407c
hex1a8495032

7118344242 has 12 divisors (see below), whose sum is σ = 15423079230. Its totient is φ = 2372781408.

The previous prime is 7118344241. The next prime is 7118344249. The reversal of 7118344242 is 2424438117.

7118344242 is a `hidden beast` number, since 71 + 1 + 8 + 344 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5449540041 + 1668804201 = 73821^2 + 40851^2 .

It is a super-2 number, since 2×71183442422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7118344197 and 7118344206.

It is not an unprimeable number, because it can be changed into a prime (7118344241) 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, 197731767 + ... + 197731802.

Almost surely, 27118344242 is an apocalyptic number.

7118344242 is an abundant number, since it is smaller than the sum of its proper divisors (8304734988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7118344242 is a wasteful number, since it uses less digits than its factorization.

7118344242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395463577 (or 395463574 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 7118344242 is about 84370.2805613446. The cubic root of 7118344242 is about 1923.6512048840.

The spelling of 7118344242 in words is "seven billion, one hundred eighteen million, three hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 395463569 790927138 1186390707 2372781414 3559172121 7118344242