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20493350058 = 233415558343
BaseRepresentation
bin10011000101011111…
…111011010010101010
31221220012212001022010
4103011133323102222
5313432244200213
613225311340350
71323562413156
oct230537732252
957805761263
1020493350058
118766a64245
123b7b2216b6
131c17971c4c
14dc5a2a066
157ee21dac3
hex4c57fb4aa

20493350058 has 8 divisors (see below), whose sum is σ = 40986700128. Its totient is φ = 6831116684.

The previous prime is 20493350051. The next prime is 20493350081. The reversal of 20493350058 is 85005339402.

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

20493350058 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20493349998 and 20493350025.

It is not an unprimeable number, because it can be changed into a prime (20493350051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707779166 + ... + 1707779177.

It is an arithmetic number, because the mean of its divisors is an integer number (5123337516).

Almost surely, 220493350058 is an apocalyptic number.

20493350058 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.

20493350058 is a wasteful number, since it uses less digits than its factorization.

20493350058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415558348.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 20493350058 in words is "twenty billion, four hundred ninety-three million, three hundred fifty thousand, fifty-eight".

Divisors: 1 2 3 6 3415558343 6831116686 10246675029 20493350058