Search a number
-
+
202130221032 = 23322807364181
BaseRepresentation
bin1011110000111111100…
…1100110011111101000
3201022201210200010101200
42330033321212133220
511302430314033112
6232505104044200
720413655346645
oct2741771463750
9638653603350
10202130221032
11787a5270853
1233211003660
13160a375b7ac
149ad6d96dcc
1553d04aacdc
hex2f0fe667e8

202130221032 has 24 divisors (see below), whose sum is σ = 547436015490. Its totient is φ = 67376740320.

The previous prime is 202130221019. The next prime is 202130221043. The reversal of 202130221032 is 230122031202.

It can be written as a sum of positive squares in only one way, i.e., 202116781476 + 13439556 = 449574^2 + 3666^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202130220996 and 202130221014.

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 5 ways as a sum of consecutive naturals, for example, 1403682019 + ... + 1403682162.

Almost surely, 2202130221032 is an apocalyptic number.

It is an amenable number.

202130221032 is an abundant number, since it is smaller than the sum of its proper divisors (345305794458).

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

202130221032 is a wasteful number, since it uses less digits than its factorization.

202130221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807364193 (or 2807364186 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202130221032 its reverse (230122031202), we get a palindrome (432252252234).

The spelling of 202130221032 in words is "two hundred two billion, one hundred thirty million, two hundred twenty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 2807364181 5614728362 8422092543 11229456724 16844185086 22458913448 25266277629 33688370172 50532555258 67376740344 101065110516 202130221032