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10421402213 = 29432194353
BaseRepresentation
bin10011011010010100…
…11111101001100101
3222220021201002021202
421231022133221211
5132320334332323
64442034452245
7516152312555
oct115512375145
928807632252
1010421402213
114468678802
12202a134085
13ca10b34b1
1470c0d9165
1540ed9cd28
hex26d29fa65

10421402213 has 12 divisors (see below), whose sum is σ = 11037363660. Its totient is φ = 9827991936.

The previous prime is 10421402191. The next prime is 10421402219. The reversal of 10421402213 is 31220412401.

It can be written as a sum of positive squares in 2 ways, for example, as 5381396164 + 5040006049 = 73358^2 + 70993^2 .

It is not a de Polignac number, because 10421402213 - 210 = 10421401189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421402219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43556 + ... + 150797.

It is an arithmetic number, because the mean of its divisors is an integer number (919780305).

Almost surely, 210421402213 is an apocalyptic number.

It is an amenable number.

10421402213 is a deficient number, since it is larger than the sum of its proper divisors (615961447).

10421402213 is an equidigital number, since it uses as much as digits as its factorization.

10421402213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194468 (or 194425 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10421402213 its reverse (31220412401), we get a palindrome (41641814614).

The spelling of 10421402213 in words is "ten billion, four hundred twenty-one million, four hundred two thousand, two hundred thirteen".

Divisors: 1 29 43 1247 1849 53621 194353 5636237 8357179 242358191 359358697 10421402213