Base | Representation |
---|---|
bin | 10011001010001100… |
… | …011011100000010001 |
3 | 1222002201002020111000 |
4 | 103022030123200101 |
5 | 314112431001301 |
6 | 13241204012213 |
7 | 1325540115255 |
oct | 231214334021 |
9 | 58081066430 |
10 | 20572125201 |
11 | 87a7479171 |
12 | 3ba1691069 |
13 | 1c2b093964 |
14 | dd2294265 |
15 | 8060ce786 |
hex | 4ca31b811 |
20572125201 has 16 divisors (see below), whose sum is σ = 30479569920. Its totient is φ = 13713693840.
The previous prime is 20572125199. The next prime is 20572125229. The reversal of 20572125201 is 10252127502.
It is not a de Polignac number, because 20572125201 - 21 = 20572125199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20576125201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503911 + ... + 543203.
It is an arithmetic number, because the mean of its divisors is an integer number (1904973120).
Almost surely, 220572125201 is an apocalyptic number.
It is an amenable number.
20572125201 is a deficient number, since it is larger than the sum of its proper divisors (9907444719).
20572125201 is a wasteful number, since it uses less digits than its factorization.
20572125201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58693 (or 58687 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The spelling of 20572125201 in words is "twenty billion, five hundred seventy-two million, one hundred twenty-five thousand, two hundred one".
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