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18495482243 = 741161339953
BaseRepresentation
bin10001001110011010…
…101010100110000011
31202201222111211212212
4101032122222212003
5300334320412433
612255142212335
71223223001520
oct211632524603
952658454785
1018495482243
117931243617
1237021240ab
131989a93244
14c76568147
15733b2cd48
hex44e6aa983

18495482243 has 16 divisors (see below), whose sum is σ = 21667214016. Its totient is φ = 15456629760.

The previous prime is 18495482237. The next prime is 18495482273. The reversal of 18495482243 is 34228459481.

It is a cyclic number.

It is not a de Polignac number, because 18495482243 - 218 = 18495220099 is a prime.

It is a super-2 number, since 2×184954822432 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18495482191 and 18495482200.

It is not an unprimeable number, because it can be changed into a prime (18495482233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442955 + ... + 482907.

It is an arithmetic number, because the mean of its divisors is an integer number (1354200876).

Almost surely, 218495482243 is an apocalyptic number.

18495482243 is a deficient number, since it is larger than the sum of its proper divisors (3171731773).

18495482243 is a wasteful number, since it uses less digits than its factorization.

18495482243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41614.

The product of its digits is 2211840, while the sum is 50.

The spelling of 18495482243 in words is "eighteen billion, four hundred ninety-five million, four hundred eighty-two thousand, two hundred forty-three".

Divisors: 1 7 41 287 1613 11291 39953 66133 279671 462931 1638073 11466511 64444189 451109323 2642211749 18495482243