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10121429 is a prime number
BaseRepresentation
bin100110100111…
…000011010101
3201001012222202
4212213003111
510042341204
61000534245
7152013353
oct46470325
921035882
1010121429
11579341a
123481385
132134c16
1414b67d3
15d4de1e
hex9a70d5

10121429 has 2 divisors, whose sum is σ = 10121430. Its totient is φ = 10121428.

The previous prime is 10121417. The next prime is 10121437. The reversal of 10121429 is 92412101.

10121429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 40804 = 3175^2 + 202^2 .

It is an emirp because it is prime and its reverse (92412101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10121429 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10121429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060714 + 5060715.

It is an arithmetic number, because the mean of its divisors is an integer number (5060715).

Almost surely, 210121429 is an apocalyptic number.

It is an amenable number.

10121429 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121429 is an equidigital number, since it uses as much as digits as its factorization.

10121429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10121429 is about 3181.4193373399. The cubic root of 10121429 is about 216.3119991075.

The spelling of 10121429 in words is "ten million, one hundred twenty-one thousand, four hundred twenty-nine".