Base | Representation |
---|---|
bin | 10010111101101001… |
… | …000011101001110101 |
3 | 1221120000210200112001 |
4 | 102331221003221311 |
5 | 313200022312002 |
6 | 13204242055301 |
7 | 1320402054130 |
oct | 227551035165 |
9 | 57500720461 |
10 | 20361525877 |
11 | 86a9606840 |
12 | 3b4304a531 |
13 | 1bc6568084 |
14 | db2313217 |
15 | 7e287ea87 |
hex | 4bda43a75 |
20361525877 has 16 divisors (see below), whose sum is σ = 25401987072. Its totient is φ = 15856006320.
The previous prime is 20361525871. The next prime is 20361525881. The reversal of 20361525877 is 77852516302.
It is not a de Polignac number, because 20361525877 - 231 = 18214042229 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20361525871) 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 15 ways as a sum of consecutive naturals, for example, 38368 + ... + 205414.
It is an arithmetic number, because the mean of its divisors is an integer number (1587624192).
Almost surely, 220361525877 is an apocalyptic number.
It is an amenable number.
20361525877 is a deficient number, since it is larger than the sum of its proper divisors (5040461195).
20361525877 is a wasteful number, since it uses less digits than its factorization.
20361525877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168648.
The product of its (nonzero) digits is 705600, while the sum is 46.
The spelling of 20361525877 in words is "twenty billion, three hundred sixty-one million, five hundred twenty-five thousand, eight hundred seventy-seven".
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