Base | Representation |
---|---|
bin | 10011010000010110… |
… | …110101011011101101 |
3 | 1222100220122001012002 |
4 | 103100112311123231 |
5 | 314320413004031 |
6 | 13255340022045 |
7 | 1331233662500 |
oct | 232026653355 |
9 | 58326561162 |
10 | 20675516141 |
11 | 884a876325 |
12 | 4010231925 |
13 | 1c46623a27 |
14 | 1001cc9137 |
15 | 810203ccb |
hex | 4d05b56ed |
20675516141 has 12 divisors (see below), whose sum is σ = 24056258112. Its totient is φ = 17718078168.
The previous prime is 20675516119. The next prime is 20675516179. The reversal of 20675516141 is 14161557602.
It is a de Polignac number, because none of the positive numbers 2k-20675516141 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20675516095 and 20675516104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20675516441) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 199526 + ... + 284888.
It is an arithmetic number, because the mean of its divisors is an integer number (2004688176).
Almost surely, 220675516141 is an apocalyptic number.
It is an amenable number.
20675516141 is a deficient number, since it is larger than the sum of its proper divisors (3380741971).
20675516141 is an equidigital number, since it uses as much as digits as its factorization.
20675516141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90320 (or 90313 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 38.
The spelling of 20675516141 in words is "twenty billion, six hundred seventy-five million, five hundred sixteen thousand, one hundred forty-one".
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