Search a number
-
+
13003140021 = 330139143813
BaseRepresentation
bin11000001110000110…
…00010101110110101
31020120012200221202120
430013003002232311
5203112300440041
65550142230153
7640141603134
oct140703025665
936505627676
1013003140021
115572a2a613
12262a885359
1312c2c30cc1
148b4d4591b
15511872366
hex3070c2bb5

13003140021 has 8 divisors (see below), whose sum is σ = 17338215840. Its totient is φ = 8668412112.

The previous prime is 13003140001. The next prime is 13003140043. The reversal of 13003140021 is 12004130031.

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

It is not a de Polignac number, because 13003140021 - 210 = 13003138997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003140001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18511 + ... + 162323.

It is an arithmetic number, because the mean of its divisors is an integer number (2167276980).

Almost surely, 213003140021 is an apocalyptic number.

It is an amenable number.

13003140021 is a deficient number, since it is larger than the sum of its proper divisors (4335075819).

13003140021 is a wasteful number, since it uses less digits than its factorization.

13003140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173955.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13003140021 its reverse (12004130031), we get a palindrome (25007270052).

The spelling of 13003140021 in words is "thirteen billion, three million, one hundred forty thousand, twenty-one".

Divisors: 1 3 30139 90417 143813 431439 4334380007 13003140021