Search a number
-
+
12808552580030 = 2510185591257517
BaseRepresentation
bin1011101001100011100100…
…1110100000001110111110
31200100111010001101220222102
42322120321032200032332
53134323403430030110
643124100125545102
72461246605363134
oct272307116401676
950314101356872
1012808552580030
114099093016559
12152a472415192
1371bac2513cac
14323d19b6d754
151732a6eb05a5
hexba6393a03be

12808552580030 has 16 divisors (see below), whose sum is σ = 23055435613440. Its totient is φ = 5123411927712.

The previous prime is 12808552580029. The next prime is 12808552580063. The reversal of 12808552580030 is 3008525580821.

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 7 ways as a sum of consecutive naturals, for example, 9556832 + ... + 10814348.

It is an arithmetic number, because the mean of its divisors is an integer number (1440964725840).

Almost surely, 212808552580030 is an apocalyptic number.

12808552580030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12808552580030 is a deficient number, since it is larger than the sum of its proper divisors (10246883033410).

12808552580030 is a wasteful number, since it uses less digits than its factorization.

12808552580030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276083.

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 12808552580030 in words is "twelve trillion, eight hundred eight billion, five hundred fifty-two million, five hundred eighty thousand, thirty".

Divisors: 1 2 5 10 1018559 1257517 2037118 2515034 5092795 6287585 10185590 12575170 1280855258003 2561710516006 6404276290015 12808552580030