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7042042222 = 217919670509
BaseRepresentation
bin1101000111011110…
…10000100101101110
3200011202211210212121
412203233100211232
5103410230322342
63122435223154
7336336241225
oct64357204556
920152753777
107042042222
112a9405a606
121446447aba
13882c361b7
144ab381cbc
152b3371067
hex1a3bd096e

7042042222 has 8 divisors (see below), whose sum is σ = 10622075400. Its totient is φ = 3501350424.

The previous prime is 7042042201. The next prime is 7042042223. The reversal of 7042042222 is 2222402407.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042042223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9834897 + ... + 9835612.

It is an arithmetic number, because the mean of its divisors is an integer number (1327759425).

Almost surely, 27042042222 is an apocalyptic number.

7042042222 is a deficient number, since it is larger than the sum of its proper divisors (3580033178).

7042042222 is a wasteful number, since it uses less digits than its factorization.

7042042222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19670690.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 7042042222 is about 83916.8768603789. The cubic root of 7042042222 is about 1916.7532495867.

Adding to 7042042222 its reverse (2222402407), we get a palindrome (9264444629).

The spelling of 7042042222 in words is "seven billion, forty-two million, forty-two thousand, two hundred twenty-two".

Divisors: 1 2 179 358 19670509 39341018 3521021111 7042042222