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2198530633 = 13231213537
BaseRepresentation
bin1000001100001010…
…1110101001001001
312200012220221001111
42003002232221021
514000310440013
61002054050321
7105324126205
oct20302565111
95605827044
102198530633
11a29016672
125143499a1
13290638900
1416bdb7b05
15cd02b73d
hex830aea49

2198530633 has 18 divisors (see below), whose sum is σ = 2460111822. Its totient is φ = 1963802880.

The previous prime is 2198530619. The next prime is 2198530637. The reversal of 2198530633 is 3360358912.

It can be written as a sum of positive squares in 3 ways, for example, as 214095424 + 1984435209 = 14632^2 + 44547^2 .

It is not a de Polignac number, because 2198530633 - 225 = 2164976201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198530637) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 155641 + ... + 169177.

It is an arithmetic number, because the mean of its divisors is an integer number (136672879).

Almost surely, 22198530633 is an apocalyptic number.

It is an amenable number.

2198530633 is a deficient number, since it is larger than the sum of its proper divisors (261581189).

2198530633 is a wasteful number, since it uses less digits than its factorization.

2198530633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13625 (or 13581 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 2198530633 is about 46888.4914771205. The cubic root of 2198530633 is about 1300.3018299167.

The spelling of 2198530633 in words is "two billion, one hundred ninety-eight million, five hundred thirty thousand, six hundred thirty-three".

Divisors: 1 13 31 169 403 961 5239 12493 13537 162409 175981 419647 2287753 5455411 13009057 70920343 169117741 2198530633