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20130202420050 = 2352472855347861
BaseRepresentation
bin1001001001110111011011…
…00100001000001101010010
32122021102120102021202101110
410210323231210020031102
510114303123304420200
6110451404243514150
74145234116233102
oct444735544101522
978242512252343
1020130202420050
116461197522368
122311450088956
13b303680ac238
144d8442579202
1524d975880b50
hex124eed908352

20130202420050 has 48 divisors (see below), whose sum is σ = 50985091423872. Its totient is φ = 5253840062400.

The previous prime is 20130202419983. The next prime is 20130202420051. The reversal of 20130202420050 is 5002420203102.

It is a junction number, because it is equal to n+sod(n) for n = 20130202419999 and 20130202420026.

It is not an unprimeable number, because it can be changed into a prime (20130202420051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1427666881 + ... + 1427680980.

It is an arithmetic number, because the mean of its divisors is an integer number (1062189404664).

Almost surely, 220130202420050 is an apocalyptic number.

20130202420050 is an abundant number, since it is smaller than the sum of its proper divisors (30854889003822).

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

20130202420050 is a wasteful number, since it uses less digits than its factorization.

20130202420050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855347923 (or 2855347918 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20130202420050 its reverse (5002420203102), we get a palindrome (25132622623152).

The spelling of 20130202420050 in words is "twenty trillion, one hundred thirty billion, two hundred two million, four hundred twenty thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 47 50 75 94 141 150 235 282 470 705 1175 1410 2350 3525 7050 2855347861 5710695722 8566043583 14276739305 17132087166 28553478610 42830217915 71383696525 85660435830 134201349467 142767393050 214151089575 268402698934 402604048401 428302179150 671006747335 805208096802 1342013494670 2013020242005 3355033736675 4026040484010 6710067473350 10065101210025 20130202420050