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2555552800500 = 223537243385981
BaseRepresentation
bin100101001100000010110…
…100010001111011110100
3100001022022212110020010020
4211030002310101323310
5313332233004104000
65234001005325140
7352426660252050
oct45140264217364
910038285406106
102555552800500
118a5892a29557
123533495667b0
13156cab99181b
148b991a82c60
1546720c04ba0
hex25302d11ef4

2555552800500 has 96 divisors (see below), whose sum is σ = 8504879755008. Its totient is φ = 584126352000.

The previous prime is 2555552800421. The next prime is 2555552800513. The reversal of 2555552800500 is 50082555552.

It is a super-2 number, since 2×25555528005002 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121682491 + ... + 121703490.

It is an arithmetic number, because the mean of its divisors is an integer number (88592497448).

Almost surely, 22555552800500 is an apocalyptic number.

2555552800500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555552800500 is an abundant number, since it is smaller than the sum of its proper divisors (5949326954508).

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

2555552800500 is a wasteful number, since it uses less digits than its factorization.

2555552800500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243386010 (or 243385998 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 2555552800500 in words is "two trillion, five hundred fifty-five billion, five hundred fifty-two million, eight hundred thousand, five hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 125 140 150 175 210 250 300 350 375 420 500 525 700 750 875 1050 1500 1750 2100 2625 3500 5250 10500 243385981 486771962 730157943 973543924 1216929905 1460315886 1703701867 2433859810 2920631772 3407403734 3650789715 4867719620 5111105601 6084649525 6814807468 7301579430 8518509335 10222211202 12169299050 14603158860 17037018670 18253948575 20444422404 24338598100 25555528005 30423247625 34074037340 36507897150 42592546675 51111056010 60846495250 73015794300 85185093350 91269742875 102222112020 121692990500 127777640025 170370186700 182539485750 212962733375 255555280050 365078971500 425925466750 511110560100 638888200125 851850933500 1277776400250 2555552800500