Search a number
-
+
204344222140 = 22519836478891
BaseRepresentation
bin1011111001001111011…
…1010110000110111100
3201112110002201000221201
42332103313112012330
511321444110102030
6233512513505244
720522561141452
oct2762367260674
9645402630851
10204344222140
1179730a93633
123372a572224
1316367352c16
149c6703a9d2
1554aea412ca
hex2f93dd61bc

204344222140 has 48 divisors (see below), whose sum is σ = 457150619520. Its totient is φ = 76502733120.

The previous prime is 204344222113. The next prime is 204344222191. The reversal of 204344222140 is 41222443402.

It is a super-2 number, since 2×2043442221402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204344222099 and 204344222108.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3207906 + ... + 3270985.

It is an arithmetic number, because the mean of its divisors is an integer number (9523971240).

Almost surely, 2204344222140 is an apocalyptic number.

204344222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204344222140 is an abundant number, since it is smaller than the sum of its proper divisors (252806397380).

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

204344222140 is a wasteful number, since it uses less digits than its factorization.

204344222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479002 (or 6479000 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 204344222140 its reverse (41222443402), we get a palindrome (245566665542).

The spelling of 204344222140 in words is "two hundred four billion, three hundred forty-four million, two hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 83 95 166 190 332 380 415 830 1577 1660 3154 6308 7885 15770 31540 6478891 12957782 25915564 32394455 64788910 123098929 129577820 246197858 492395716 537747953 615494645 1075495906 1230989290 2150991812 2461978580 2688739765 5377479530 10217211107 10754959060 20434422214 40868844428 51086055535 102172111070 204344222140