Base | Representation |
---|---|
bin | 10011001000010100… |
… | …110001000001010010 |
3 | 1222000112001112002121 |
4 | 103020110301001102 |
5 | 314031413143200 |
6 | 13234123404454 |
7 | 1325006355103 |
oct | 231024610122 |
9 | 58015045077 |
10 | 20540756050 |
11 | 87907a3051 |
12 | 3b9308372a |
13 | 1c2472c729 |
14 | dcc04a3aa |
15 | 803484e1a |
hex | 4c8531052 |
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".
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