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2218361093 = 132171940639
BaseRepresentation
bin1000010000111001…
…1000000100000101
312201121020102022222
42010032120010011
514020400023333
61004043102125
7105654521024
oct20416300405
95647212288
102218361093
11a39230583
1251ab11945
1329478cb00
1417089a8bb
15ceb47298
hex84398105

2218361093 has 24 divisors (see below), whose sum is σ = 2677363200. Its totient is φ = 1825784064.

The previous prime is 2218361087. The next prime is 2218361113. The reversal of 2218361093 is 3901638122.

It is a de Polignac number, because none of the positive numbers 2k-2218361093 is a prime.

It is a super-2 number, since 2×22183610932 = 9842251877872309298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218361053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34268 + ... + 74906.

It is an arithmetic number, because the mean of its divisors is an integer number (111556800).

Almost surely, 22218361093 is an apocalyptic number.

It is an amenable number.

2218361093 is a deficient number, since it is larger than the sum of its proper divisors (459002107).

2218361093 is a wasteful number, since it uses less digits than its factorization.

2218361093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40701 (or 40688 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2218361093 is about 47099.4808145483. The cubic root of 2218361093 is about 1304.1996517434.

The spelling of 2218361093 in words is "two billion, two hundred eighteen million, three hundred sixty-one thousand, ninety-three".

Divisors: 1 13 17 19 169 221 247 323 2873 3211 4199 40639 54587 528307 690863 772141 6867991 8981219 10037833 13126397 116755847 130491829 170643161 2218361093