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10201202131 = 56922437993
BaseRepresentation
bin10011000000000100…
…11111110111010011
3222022221100202120011
421200002133313103
5131343001432011
64404131055351
7510536534041
oct114002376723
928287322504
1010201202131
11436534916a
121b88441557
13c675a59a3
146cab79391
153ea8a3621
hex26009fdd3

10201202131 has 8 divisors (see below), whose sum is σ = 10224965520. Its totient is φ = 10177460352.

The previous prime is 10201202093. The next prime is 10201202171. The reversal of 10201202131 is 13120210201.

10201202131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10201202131 - 213 = 10201193939 is a prime.

It is a super-2 number, since 2×102012021312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201202171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1272271 + ... + 1280263.

It is an arithmetic number, because the mean of its divisors is an integer number (1278120690).

Almost surely, 210201202131 is an apocalyptic number.

10201202131 is a deficient number, since it is larger than the sum of its proper divisors (23763389).

10201202131 is an equidigital number, since it uses as much as digits as its factorization.

10201202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10201202131 its reverse (13120210201), we get a palindrome (23321412332).

The spelling of 10201202131 in words is "ten billion, two hundred one million, two hundred two thousand, one hundred thirty-one".

Divisors: 1 569 2243 7993 1276267 4548017 17928299 10201202131