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2555000530000 = 24541499170447
BaseRepresentation
bin100101001011100001111…
…001100010010001010000
3100001020220101020222102021
4211023201321202101100
5313330120113430000
65233430120301224
7352410203113012
oct45134171422120
910036811228367
102555000530000
118a562a210556
12353214611814
13156c21437a49
148b93c5a21b2
15466dc4b411a
hex252e1e62450

2555000530000 has 100 divisors (see below), whose sum is σ = 6190074792000. Its totient is φ = 1021312432000.

The previous prime is 2555000529931. The next prime is 2555000530013. The reversal of 2555000530000 is 350005552.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14904777 + ... + 15075223.

It is an arithmetic number, because the mean of its divisors is an integer number (61900747920).

Almost surely, 22555000530000 is an apocalyptic number.

2555000530000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555000530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3095037396000).

2555000530000 is an abundant number, since it is smaller than the sum of its proper divisors (3635074262000).

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

2555000530000 is a wasteful number, since it uses less digits than its factorization.

2555000530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171974 (or 171953 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

Adding to 2555000530000 its reverse (350005552), we get a palindrome (2555350535552).

The spelling of 2555000530000 in words is "two trillion, five hundred fifty-five billion, five hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 1499 2000 2500 2998 5000 5996 7495 10000 11992 14990 23984 29980 37475 59960 74950 119920 149900 170447 187375 299800 340894 374750 599600 681788 749500 852235 936875 1363576 1499000 1704470 1873750 2727152 2998000 3408940 3747500 4261175 6817880 7495000 8522350 13635760 14990000 17044700 21305875 34089400 42611750 68178800 85223500 106529375 170447000 213058750 255500053 340894000 426117500 511000106 852235000 1022000212 1277500265 1704470000 2044000424 2555000530 4088000848 5110001060 6387501325 10220002120 12775002650 20440004240 25550005300 31937506625 51100010600 63875013250 102200021200 127750026500 159687533125 255500053000 319375066250 511000106000 638750132500 1277500265000 2555000530000