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20540756050 = 2522341435647
BaseRepresentation
bin10011001000010100…
…110001000001010010
31222000112001112002121
4103020110301001102
5314031413143200
613234123404454
71325006355103
oct231024610122
958015045077
1020540756050
1187907a3051
123b9308372a
131c2472c729
14dcc04a3aa
15803484e1a
hex4c8531052

20540756050 has 48 divisors (see below), whose sum is σ = 40839386112. Its totient is φ = 7667369600.

The previous prime is 20540756029. The next prime is 20540756051. The reversal of 20540756050 is 5065704502.

It is a super-2 number, since 2×205407560502 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20540755997 and 20540756015.

It is not an unprimeable number, because it can be changed into a prime (20540756051) 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, 170674 + ... + 264973.

It is an arithmetic number, because the mean of its divisors is an integer number (850820544).

Almost surely, 220540756050 is an apocalyptic number.

20540756050 is a deficient number, since it is larger than the sum of its proper divisors (20298630062).

20540756050 is a wasteful number, since it uses less digits than its factorization.

20540756050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435723 (or 435718 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 20540756050 in words is "twenty billion, five hundred forty million, seven hundred fifty-six thousand, fifty".

Divisors: 1 2 5 10 23 25 41 46 50 82 115 205 230 410 575 943 1025 1150 1886 2050 4715 9430 23575 47150 435647 871294 2178235 4356470 10019881 10891175 17861527 20039762 21782350 35723054 50099405 89307635 100198810 178615270 250497025 410815121 446538175 500994050 821630242 893076350 2054075605 4108151210 10270378025 20540756050