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18475820192030 = 256130288229823
BaseRepresentation
bin1000011001101101111001…
…01100110001000100011110
32102102021022200020212001212
410030312330230301010132
54410201434432121110
6103143401415104422
73614556022304225
oct414667454610436
972367280225055
1018475820192030
115983607920083
1220a48a2972112
13a40354566766
1447c33d54bcbc
152208e9d2de05
hex10cdbcb3111e

18475820192030 has 16 divisors (see below), whose sum is σ = 33801664483584. Its totient is φ = 7269175157280.

The previous prime is 18475820192017. The next prime is 18475820192059. The reversal of 18475820192030 is 3029102857481.

It is a self number, because there is not a number n which added to its sum of digits gives 18475820192030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15144114302 + ... + 15144115521.

It is an arithmetic number, because the mean of its divisors is an integer number (2112604030224).

Almost surely, 218475820192030 is an apocalyptic number.

18475820192030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18475820192030 is a deficient number, since it is larger than the sum of its proper divisors (15325844291554).

18475820192030 is a wasteful number, since it uses less digits than its factorization.

18475820192030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30288229891.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 18475820192030 in words is "eighteen trillion, four hundred seventy-five billion, eight hundred twenty million, one hundred ninety-two thousand, thirty".

Divisors: 1 2 5 10 61 122 305 610 30288229823 60576459646 151441149115 302882298230 1847582019203 3695164038406 9237910096015 18475820192030