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20100011210 = 252010001121
BaseRepresentation
bin10010101110000011…
…011101010011001010
31220212210201100211122
4102232003131103022
5312131100324320
613122300555242
71311045163526
oct225603352312
956783640748
1020100011210
118584a28a14
123a8b552b22
131b84323576
14d896bad86
157c9923d25
hex4ae0dd4ca

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".

Divisors: 1 2 5 10 2010001121 4020002242 10050005605 20100011210