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1018302642089 = 17373161999191
BaseRepresentation
bin11101101000101111001…
…00010011011110101001
310121100102021001222101222
432310113210103132221
5113140440434021324
62055445103351425
7133366326433415
oct16642744233651
93540367058358
101018302642089
11362950326887
1214542b5b2575
1375044110685
1437401133d45
151b74d4a155e
hexed179137a9

1018302642089 has 16 divisors (see below), whose sum is σ = 1081772081280. Its totient is φ = 955233027840.

The previous prime is 1018302642047. The next prime is 1018302642101. The reversal of 1018302642089 is 9802462038101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1018302642089 - 212 = 1018302637993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1018302642289) 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, 10216484 + ... + 10315674.

It is an arithmetic number, because the mean of its divisors is an integer number (67610755080).

Almost surely, 21018302642089 is an apocalyptic number.

It is an amenable number.

1018302642089 is a deficient number, since it is larger than the sum of its proper divisors (63469439191).

1018302642089 is a wasteful number, since it uses less digits than its factorization.

1018302642089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101200.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 1018302642089 in words is "one trillion, eighteen billion, three hundred two million, six hundred forty-two thousand, eighty-nine".

Divisors: 1 17 373 1619 6341 27523 99191 603887 1686247 10266079 36998243 160590229 628970131 2730033893 59900155417 1018302642089