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180022193989 = 1171230502169
BaseRepresentation
bin1010011110101000101…
…0001010111101000101
3122012200001111222200021
42213222022022331011
510422141140201424
6214411232215141
716002055254421
oct2475212127505
9565601458607
10180022193989
116a38a920920
122aa8109a4b1
1313c8c4154a1
1489dab35b81
154a3963e4e4
hex29ea28af45

180022193989 has 8 divisors (see below), whose sum is σ = 199153874880. Its totient is φ = 161351517600.

The previous prime is 180022193959. The next prime is 180022194013. The reversal of 180022193989 is 989391220081.

180022193989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-180022193989 is a prime.

It is a super-2 number, since 2×1800221939892 (a number of 23 digits) 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 (180022193929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115250304 + ... + 115251865.

It is an arithmetic number, because the mean of its divisors is an integer number (24894234360).

Almost surely, 2180022193989 is an apocalyptic number.

It is an amenable number.

180022193989 is a deficient number, since it is larger than the sum of its proper divisors (19131680891).

180022193989 is a wasteful number, since it uses less digits than its factorization.

180022193989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230502251.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 180022193989 in words is "one hundred eighty billion, twenty-two million, one hundred ninety-three thousand, nine hundred eighty-nine".

Divisors: 1 11 71 781 230502169 2535523859 16365653999 180022193989