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2010001010101 = 7449719889453
BaseRepresentation
bin11101001111111101011…
…001010110110110110101
321010011011102111210200121
4131033331121112312311
5230412440224310401
64135214241211541
7265134461454640
oct35177531266665
97104142453617
102010001010101
11705489195797
12285675330bb1
13117708516526
146d3dabd6a57
1537440ed9ca1
hex1d3fd656db5

2010001010101 has 16 divisors (see below), whose sum is σ = 2305464768000. Its totient is φ = 1716628128768.

The previous prime is 2010001010063. The next prime is 2010001010191. The reversal of 2010001010101 is 1010101000102.

It is not a de Polignac number, because 2010001010101 - 215 = 2010000977333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

2010001010101 is a modest number, since divided by 1010101 gives 20100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010001010191) 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, 1815091 + ... + 2704543.

It is an arithmetic number, because the mean of its divisors is an integer number (144091548000).

Almost surely, 22010001010101 is an apocalyptic number.

It is an amenable number.

2010001010101 is a deficient number, since it is larger than the sum of its proper divisors (295463757899).

2010001010101 is an equidigital number, since it uses as much as digits as its factorization.

2010001010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890628.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 2010001010101 its reverse (1010101000102), we get a palindrome (3020102010203).

Subtracting from 2010001010101 its reverse (1010101000102), we obtain a palindrome (999900009999).

The spelling of 2010001010101 in words is "two trillion, ten billion, one million, ten thousand, one hundred one".

Divisors: 1 7 449 719 3143 5033 322831 889453 2259817 6226171 399364397 639516707 2795550779 4476616949 287143001443 2010001010101