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213202230122 = 2787977173099
BaseRepresentation
bin1100011010001111010…
…1111101101101101010
3202101022102121110112102
43012203311331231222
511443114232330442
6241535503413402
721255231024560
oct3064365755552
9671272543472
10213202230122
1182467112092
12353a0bb4262
131714957926b
14a46764da30
15582c521232
hex31a3d7db6a

213202230122 has 16 divisors (see below), whose sum is σ = 365495803200. Its totient is φ = 91370817888.

The previous prime is 213202230107. The next prime is 213202230181. The reversal of 213202230122 is 221032202312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213202230094 and 213202230103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145129 + ... + 1318227.

It is an arithmetic number, because the mean of its divisors is an integer number (22843487700).

Almost surely, 2213202230122 is an apocalyptic number.

213202230122 is a deficient number, since it is larger than the sum of its proper divisors (152293573078).

213202230122 is a wasteful number, since it uses less digits than its factorization.

213202230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261085.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213202230122 its reverse (221032202312), we get a palindrome (434234432434).

The spelling of 213202230122 in words is "two hundred thirteen billion, two hundred two million, two hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 87977 173099 175954 346198 615839 1211693 1231678 2423386 15228730723 30457461446 106601115061 213202230122