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10420414021 = 58717751983
BaseRepresentation
bin10011011010001101…
…01110011001000101
3222220012211212202001
421231012232121011
5132320111222041
64442001345301
7516141025543
oct115506563105
928805755661
1010420414021
114468063316
122029938231
13ca0b28774
1470bd1cd93
1540ec55131
hex26d1ae645

10420414021 has 4 divisors (see below), whose sum is σ = 10438166592. Its totient is φ = 10402661452.

The previous prime is 10420414013. The next prime is 10420414049. The reversal of 10420414021 is 12041402401.

10420414021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10420414021 - 23 = 10420414013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10420414021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420414051) 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 3 ways as a sum of consecutive naturals, for example, 8875405 + ... + 8876578.

It is an arithmetic number, because the mean of its divisors is an integer number (2609541648).

Almost surely, 210420414021 is an apocalyptic number.

It is an amenable number.

10420414021 is a deficient number, since it is larger than the sum of its proper divisors (17752571).

10420414021 is an equidigital number, since it uses as much as digits as its factorization.

10420414021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17752570.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10420414021 its reverse (12041402401), we get a palindrome (22461816422).

The spelling of 10420414021 in words is "ten billion, four hundred twenty million, four hundred fourteen thousand, twenty-one".

Divisors: 1 587 17751983 10420414021