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221113830002 = 2132255772
BaseRepresentation
bin1100110111101101101…
…0010100101001110010
3210010201210200101021012
43031323122110221302
512110320120030002
6245324524430522
721655256354462
oct3157332245162
9703653611235
10221113830002
1185856aa118a
1236a2a6a8442
1317b0a6aa700
14a9b82a5ba2
155b41da8d52
hex337b694a72

221113830002 has 18 divisors (see below), whose sum is σ = 359160470343. Its totient is φ = 102048546912.

The previous prime is 221113829987. The next prime is 221113830043. The reversal of 221113830002 is 200038311122.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 7631944321 + 213481885681 = 87361^2 + 462041^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=332501.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221113830002.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8632238 + ... + 8657814.

Almost surely, 2221113830002 is an apocalyptic number.

221113830002 is a deficient number, since it is larger than the sum of its proper divisors (138046640341).

221113830002 is an frugal number, since it uses more digits than its factorization.

221113830002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51182 (or 25592 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 221113830002 in words is "two hundred twenty-one billion, one hundred thirteen million, eight hundred thirty thousand, two".

Divisors: 1 2 13 26 169 338 25577 51154 332501 665002 4322513 8645026 654182929 1308365858 8504378077 17008756154 110556915001 221113830002