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55100505000 = 233543673367
BaseRepresentation
bin110011010100001111…
…101111101110101000
312021020001022200010110
4303110033233232220
51400321212130000
641151323014320
73660304364502
oct632417575650
9167201280113
1055100505000
1121405886a42
12a81906a3a0
13527168ac18
142949cb4d72
151677550850
hexcd43efba8

55100505000 has 80 divisors (see below), whose sum is σ = 172134024480. Its totient is φ = 14693464000.

The previous prime is 55100504989. The next prime is 55100505007. The reversal of 55100505000 is 50500155.

It is not an unprimeable number, because it can be changed into a prime (55100505007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1821684 + ... + 1851683.

It is an arithmetic number, because the mean of its divisors is an integer number (2151675306).

Almost surely, 255100505000 is an apocalyptic number.

55100505000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55100505000 is an abundant number, since it is smaller than the sum of its proper divisors (117033519480).

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

55100505000 is a wasteful number, since it uses less digits than its factorization.

55100505000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673396 (or 3673377 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The spelling of 55100505000 in words is "fifty-five billion, one hundred million, five hundred five thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 625 750 1000 1250 1500 1875 2500 3000 3750 5000 7500 15000 3673367 7346734 11020101 14693468 18366835 22040202 29386936 36733670 44080404 55100505 73467340 88160808 91834175 110201010 146934680 183668350 220402020 275502525 367336700 440804040 459170875 551005050 734673400 918341750 1102010100 1377512625 1836683500 2204020200 2295854375 2755025250 3673367000 4591708750 5510050500 6887563125 9183417500 11020101000 13775126250 18366835000 27550252500 55100505000