Search a number
-
+
18052349051020 = 2258607710486163
BaseRepresentation
bin1000001101011001000111…
…10110100100000010001100
32100220210021020120222112011
410012230203312210002030
54331232202324113040
6102221045030551004
73542145016063534
oct406544366440214
970823236528464
1018052349051020
11582aa5a463089
1220367bb208464
13a0c4383799cb
14465a4a0984c4
152148b2aad3ea
hex106b23da408c

18052349051020 has 24 divisors (see below), whose sum is σ = 37910377041264. Its totient is φ = 7220855042496.

The previous prime is 18052349050991. The next prime is 18052349051021. The reversal of 18052349051020 is 2015094325081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18052349051021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521542 + ... + 6964621.

It is an arithmetic number, because the mean of its divisors is an integer number (1579599043386).

Almost surely, 218052349051020 is an apocalyptic number.

18052349051020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18052349051020 is an abundant number, since it is smaller than the sum of its proper divisors (19858027990244).

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

18052349051020 is a wasteful number, since it uses less digits than its factorization.

18052349051020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572249 (or 10572247 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 18052349051020 in words is "eighteen trillion, fifty-two billion, three hundred forty-nine million, fifty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 86077 172154 344308 430385 860770 1721540 10486163 20972326 41944652 52430815 104861630 209723260 902617452551 1805234905102 3610469810204 4513087262755 9026174525510 18052349051020