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10420400411 = 18253570887
BaseRepresentation
bin10011011010001101…
…01011000100011011
3222220012211012001222
421231012223010123
5132320110303121
64442001202255
7516140641061
oct115506530433
928805735058
1010420400411
114468054073
12202993038b
13ca0b22505
1470bd18031
1540ec510ab
hex26d1ab11b

10420400411 has 4 divisors (see below), whose sum is σ = 10420989552. Its totient is φ = 10419811272.

The previous prime is 10420400383. The next prime is 10420400423. The reversal of 10420400411 is 11400402401.

10420400411 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10420400411 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 10420400411.

It is not an unprimeable number, because it can be changed into a prime (10420400491) 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, 267191 + ... + 303696.

It is an arithmetic number, because the mean of its divisors is an integer number (2605247388).

Almost surely, 210420400411 is an apocalyptic number.

10420400411 is a deficient number, since it is larger than the sum of its proper divisors (589141).

10420400411 is an equidigital number, since it uses as much as digits as its factorization.

10420400411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589140.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10420400411 its reverse (11400402401), we get a palindrome (21820802812).

The spelling of 10420400411 in words is "ten billion, four hundred twenty million, four hundred thousand, four hundred eleven".

Divisors: 1 18253 570887 10420400411