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18050720034 = 233008453339
BaseRepresentation
bin10000110011111010…
…000010000100100010
31201120222121120211110
4100303322002010202
5243431441020114
612143053324150
71206212405634
oct206372020442
951528546743
1018050720034
117723185146
1235b9196656
1319188ab639
14c33470a54
15709a76759
hex433e82122

18050720034 has 8 divisors (see below), whose sum is σ = 36101440080. Its totient is φ = 6016906676.

The previous prime is 18050720011. The next prime is 18050720053. The reversal of 18050720034 is 43002705081.

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

18050720034 is an admirable number.

It is a super-2 number, since 2×180507200342 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18050719983 and 18050720010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504226664 + ... + 1504226675.

It is an arithmetic number, because the mean of its divisors is an integer number (4512680010).

Almost surely, 218050720034 is an apocalyptic number.

18050720034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18050720034 is a wasteful number, since it uses less digits than its factorization.

18050720034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008453344.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 18050720034 in words is "eighteen billion, fifty million, seven hundred twenty thousand, thirty-four".

Divisors: 1 2 3 6 3008453339 6016906678 9025360017 18050720034