Search a number
-
+
202243242443 = 1138113482401
BaseRepresentation
bin1011110001011010100…
…0101111100111001011
3201100000200100012121212
42330112220233213023
511303143232224233
6232524222323335
720416530124304
oct2742650574713
9640020305555
10202243242443
1178853046480
1233242a2954b
13160c0cb1178
149b07db77ab
1553da383a48
hex2f16a2f9cb

202243242443 has 8 divisors (see below), whose sum is σ = 220635237936. Its totient is φ = 183852288000.

The previous prime is 202243242347. The next prime is 202243242463. The reversal of 202243242443 is 344242342202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202243242443 - 212 = 202243238347 is a prime.

It is a super-2 number, since 2×2022432424432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202243242463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178043 + ... + 660443.

It is an arithmetic number, because the mean of its divisors is an integer number (27579404742).

Almost surely, 2202243242443 is an apocalyptic number.

202243242443 is a deficient number, since it is larger than the sum of its proper divisors (18391995493).

202243242443 is a wasteful number, since it uses less digits than its factorization.

202243242443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520525.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 202243242443 its reverse (344242342202), we get a palindrome (546485584645).

The spelling of 202243242443 in words is "two hundred two billion, two hundred forty-three million, two hundred forty-two thousand, four hundred forty-three".

Divisors: 1 11 38113 419243 482401 5306411 18385749313 202243242443