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10142400023 = 71448914289
BaseRepresentation
bin10010111001000100…
…01011111000010111
3222011211201022020022
421130202023320113
5131232423300043
64354230455355
7506223656240
oct113442137027
928154638208
1010142400023
114335136288
121b7080455b
13c58358042
146c302dcc7
153e563a868
hex25c88be17

10142400023 has 4 divisors (see below), whose sum is σ = 11591314320. Its totient is φ = 8693485728.

The previous prime is 10142400017. The next prime is 10142400041. The reversal of 10142400023 is 32000424101.

10142400023 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 not a de Polignac number, because 10142400023 - 214 = 10142383639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10142399974 and 10142400010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142400083) 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, 724457138 + ... + 724457151.

It is an arithmetic number, because the mean of its divisors is an integer number (2897828580).

Almost surely, 210142400023 is an apocalyptic number.

10142400023 is a deficient number, since it is larger than the sum of its proper divisors (1448914297).

10142400023 is an equidigital number, since it uses as much as digits as its factorization.

10142400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448914296.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10142400023 its reverse (32000424101), we get a palindrome (42142824124).

The spelling of 10142400023 in words is "ten billion, one hundred forty-two million, four hundred thousand, twenty-three".

Divisors: 1 7 1448914289 10142400023