Search a number
-
+
55005050000500 = 22531725125781603
BaseRepresentation
bin11001000000110110111000…
…11101110101010001110100
321012202102122111201222220121
430200123130131311101310
524202200320300004000
6312552545432541324
714404661262446635
oct1440333435652164
9235672574658817
1055005050000500
1116587568823786
12620441bb51844
13248cc52b01502
14d8238994988c
15655c1a8b2b1a
hex3206dc775474

55005050000500 has 96 divisors (see below), whose sum is σ = 127704328472448. Its totient is φ = 20625281600000.

The previous prime is 55005050000491. The next prime is 55005050000507. The reversal of 55005050000500 is 500005050055.

55005050000500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005050000507) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10757302 + ... + 15024301.

It is an arithmetic number, because the mean of its divisors is an integer number (1330253421588).

Almost surely, 255005050000500 is an apocalyptic number.

55005050000500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55005050000500 is an abundant number, since it is smaller than the sum of its proper divisors (72699278471948).

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

55005050000500 is a wasteful number, since it uses less digits than its factorization.

55005050000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25781890 (or 25781878 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

Adding to 55005050000500 its reverse (500005050055), we get a palindrome (55505055050555).

The spelling of 55005050000500 in words is "fifty-five trillion, five billion, fifty million, five hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 125 170 250 251 340 425 500 502 850 1004 1255 1700 2125 2510 4250 4267 5020 6275 8500 8534 12550 17068 21335 25100 31375 42670 62750 85340 106675 125500 213350 426700 533375 1066750 2133500 25781603 51563206 103126412 128908015 257816030 438287251 515632060 644540075 876574502 1289080150 1753149004 2191436255 2578160300 3222700375 4382872510 6445400750 6471182353 8765745020 10957181275 12890801500 12942364706 21914362550 25884729412 32355911765 43828725100 54785906375 64711823530 109571812750 110010100001 129423647060 161779558825 219143625500 220020200002 323559117650 440040400004 550050500005 647118235300 808897794125 1100101000010 1617795588250 2200202000020 2750252500025 3235591176500 5500505000050 11001010000100 13751262500125 27502525000250 55005050000500