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10201202120 = 2351417717989
BaseRepresentation
bin10011000000000100…
…11111110111001000
3222022221100202112202
421200002133313020
5131343001431440
64404131055332
7510536534024
oct114002376710
928287322482
1010201202120
11436534915a
121b88441548
13c675a5995
146cab79384
153ea8a3615
hex26009fdc8

10201202120 has 32 divisors (see below), whose sum is σ = 22955599800. Its totient is φ = 4079966208.

The previous prime is 10201202093. The next prime is 10201202171. The reversal of 10201202120 is 2120210201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10185250084 + 15952036 = 100922^2 + 3994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558086 + ... + 576074.

Almost surely, 210201202120 is an apocalyptic number.

10201202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201202120 is an abundant number, since it is smaller than the sum of its proper divisors (12754397680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10201202120 is a wasteful number, since it uses less digits than its factorization.

10201202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32177 (or 32173 counting only the distinct ones).

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

Adding to 10201202120 its reverse (2120210201), we get a palindrome (12321412321).

The spelling of 10201202120 in words is "ten billion, two hundred one million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 14177 17989 28354 35978 56708 70885 71956 89945 113416 141770 143912 179890 283540 359780 567080 719560 255030053 510060106 1020120212 1275150265 2040240424 2550300530 5100601060 10201202120