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20010104210 = 252001010421
BaseRepresentation
bin10010101000101100…
…011111010110010010
31220122112112121121202
4102220230133112102
5311440041313320
613105325551202
71305604036145
oct225054372622
956575477552
1020010104210
118539200508
123a65415502
131b6b804a65
14d7b79605c
157c1ab4b75
hex4a8b1f592

20010104210 has 8 divisors (see below), whose sum is σ = 36018187596. Its totient is φ = 8004041680.

The previous prime is 20010104209. The next prime is 20010104227. The reversal of 20010104210 is 1240101002.

It can be written as a sum of positive squares in 2 ways, for example, as 19987456129 + 22648081 = 141377^2 + 4759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20010104191 and 20010104200.

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, 1000505201 + ... + 1000505220.

Almost surely, 220010104210 is an apocalyptic number.

20010104210 is a deficient number, since it is larger than the sum of its proper divisors (16008083386).

20010104210 is a wasteful number, since it uses less digits than its factorization.

20010104210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001010428.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010104210 its reverse (1240101002), we get a palindrome (21250205212).

The spelling of 20010104210 in words is "twenty billion, ten million, one hundred four thousand, two hundred ten".

Divisors: 1 2 5 10 2001010421 4002020842 10005052105 20010104210