Search a number
-
+
808880484884 = 22202220121221
BaseRepresentation
bin10111100010101010000…
…10001011001000010100
32212022212021100010002012
423301111002023020110
5101223041401004014
61415332232003352
7112303545451343
oct13612502131024
92768767303065
10808880484884
11292053a454aa
12110924530558
135b37aa42664
142b215949b5a
1516092c61c3e
hexbc5508b214

808880484884 has 6 divisors (see below), whose sum is σ = 1415540848554. Its totient is φ = 404440242440.

The previous prime is 808880484857. The next prime is 808880484889. The reversal of 808880484884 is 488484088808.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 484012404100 + 324868080784 = 695710^2 + 569972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808880484889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110060607 + ... + 101110060614.

It is an arithmetic number, because the mean of its divisors is an integer number (235923474759).

Almost surely, 2808880484884 is an apocalyptic number.

It is an amenable number.

808880484884 is a deficient number, since it is larger than the sum of its proper divisors (606660363670).

808880484884 is a wasteful number, since it uses less digits than its factorization.

808880484884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202220121225 (or 202220121223 counting only the distinct ones).

The product of its (nonzero) digits is 134217728, while the sum is 68.

The spelling of 808880484884 in words is "eight hundred eight billion, eight hundred eighty million, four hundred eighty-four thousand, eight hundred eighty-four".

Divisors: 1 2 4 202220121221 404440242442 808880484884