Search a number
-
+
13031142003433 = 18776942537029
BaseRepresentation
bin1011110110100000110010…
…0101110001001011101001
31201010202122200200012212001
42331220030211301023221
53202000234323102213
643414231325451001
72513316563304331
oct275501445611351
951122580605761
1013031142003433
114174526a37914
121565633110a61
13736aa6819898
143309d3dc40c1
15178e836921dd
hexbda0c9712e9

13031142003433 has 4 divisors (see below), whose sum is σ = 13038084542340. Its totient is φ = 13024199464528.

The previous prime is 13031142003427. The next prime is 13031142003449. The reversal of 13031142003433 is 33430024113031.

13031142003433 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 can be written as a sum of positive squares in 2 ways, for example, as 10110314027584 + 2920827975849 = 3179672^2 + 1709043^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031142003433 - 25 = 13031142003401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031142003493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471266638 + ... + 3471270391.

It is an arithmetic number, because the mean of its divisors is an integer number (3259521135585).

Almost surely, 213031142003433 is an apocalyptic number.

It is an amenable number.

13031142003433 is a deficient number, since it is larger than the sum of its proper divisors (6942538907).

13031142003433 is an equidigital number, since it uses as much as digits as its factorization.

13031142003433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942538906.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13031142003433 its reverse (33430024113031), we get a palindrome (46461166116464).

The spelling of 13031142003433 in words is "thirteen trillion, thirty-one billion, one hundred forty-two million, three thousand, four hundred thirty-three".

Divisors: 1 1877 6942537029 13031142003433