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10042104121 = 71434586303
BaseRepresentation
bin10010101101000111…
…00101100100111001
3221220211222202010021
421112203211210321
5131031234312441
64340245050441
7503565322330
oct112643454471
927824882107
1010042104121
114293562505
121b430b6a21
13c4063c95a
146b39a2d17
153db9283d1
hex2568e5939

10042104121 has 4 divisors (see below), whose sum is σ = 11476690432. Its totient is φ = 8607517812.

The previous prime is 10042104109. The next prime is 10042104209. The reversal of 10042104121 is 12140124001.

It is a happy number.

10042104121 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 10042104121 - 25 = 10042104089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10042104095 and 10042104104.

It is not an unprimeable number, because it can be changed into a prime (10042107121) 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, 717293145 + ... + 717293158.

It is an arithmetic number, because the mean of its divisors is an integer number (2869172608).

Almost surely, 210042104121 is an apocalyptic number.

It is an amenable number.

10042104121 is a deficient number, since it is larger than the sum of its proper divisors (1434586311).

10042104121 is an equidigital number, since it uses as much as digits as its factorization.

10042104121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434586310.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10042104121 its reverse (12140124001), we get a palindrome (22182228122).

The spelling of 10042104121 in words is "ten billion, forty-two million, one hundred four thousand, one hundred twenty-one".

Divisors: 1 7 1434586303 10042104121