Search a number
-
+
10142344345 = 57289781267
BaseRepresentation
bin10010111001000011…
…11110010010011001
3222011211121110212011
421130201332102121
5131232420004340
64354225345521
7506223335020
oct113441762231
928154543764
1010142344345
1143350a8471
121b707982a1
13c583388b3
146c30178b7
153e56290ea
hex25c87e499

10142344345 has 8 divisors (see below), whose sum is σ = 13909500864. Its totient is φ = 6954750384.

The previous prime is 10142344301. The next prime is 10142344349. The reversal of 10142344345 is 54344324101.

10142344345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10142344345 - 27 = 10142344217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10142344349) 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 7 ways as a sum of consecutive naturals, for example, 144890599 + ... + 144890668.

It is an arithmetic number, because the mean of its divisors is an integer number (1738687608).

Almost surely, 210142344345 is an apocalyptic number.

It is an amenable number.

10142344345 is a deficient number, since it is larger than the sum of its proper divisors (3767156519).

10142344345 is an equidigital number, since it uses as much as digits as its factorization.

10142344345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289781279.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 10142344345 its reverse (54344324101), we get a palindrome (64486668446).

The spelling of 10142344345 in words is "ten billion, one hundred forty-two million, three hundred forty-four thousand, three hundred forty-five".

Divisors: 1 5 7 35 289781267 1448906335 2028468869 10142344345