Base | Representation |
---|---|
bin | 10010101110000011… |
… | …011101010011001010 |
3 | 1220212210201100211122 |
4 | 102232003131103022 |
5 | 312131100324320 |
6 | 13122300555242 |
7 | 1311045163526 |
oct | 225603352312 |
9 | 56783640748 |
10 | 20100011210 |
11 | 8584a28a14 |
12 | 3a8b552b22 |
13 | 1b84323576 |
14 | d896bad86 |
15 | 7c9923d25 |
hex | 4ae0dd4ca |
20100011210 has 8 divisors (see below), whose sum is σ = 36180020196. Its totient is φ = 8040004480.
The previous prime is 20100011177. The next prime is 20100011221. The reversal of 20100011210 is 1211000102.
It can be written as a sum of positive squares in 2 ways, for example, as 19507429561 + 592581649 = 139669^2 + 24343^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005000551 + ... + 1005000570.
Almost surely, 220100011210 is an apocalyptic number.
20100011210 is a deficient number, since it is larger than the sum of its proper divisors (16080008986).
20100011210 is a wasteful number, since it uses less digits than its factorization.
20100011210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2010001128.
The product of its (nonzero) digits is 4, while the sum is 8.
Adding to 20100011210 its reverse (1211000102), we get a palindrome (21311011312).
The spelling of 20100011210 in words is "twenty billion, one hundred million, eleven thousand, two hundred ten".
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