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13010232021 = 38095360623
BaseRepresentation
bin11000001110111100…
…00110001011010101
31020120201001021011020
430013132012023111
5203121104411041
65550554231353
7640256101413
oct140736061325
936521037136
1013010232021
115576a33976
122631125559
1312c4545057
148b5c702b3
155122c3866
hex3077862d5

13010232021 has 8 divisors (see below), whose sum is σ = 17368421760. Its totient is φ = 8662765152.

The previous prime is 13010231953. The next prime is 13010232023. The reversal of 13010232021 is 12023201031.

13010232021 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 not a de Polignac number, because 13010232021 - 222 = 13006037717 is a prime.

It is a super-2 number, since 2×130102320212 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13010232023) 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, 2677885 + ... + 2682738.

It is an arithmetic number, because the mean of its divisors is an integer number (2171052720).

Almost surely, 213010232021 is an apocalyptic number.

It is an amenable number.

13010232021 is a deficient number, since it is larger than the sum of its proper divisors (4358189739).

13010232021 is an equidigital number, since it uses as much as digits as its factorization.

13010232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361435.

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

Adding to 13010232021 its reverse (12023201031), we get a palindrome (25033433052).

The spelling of 13010232021 in words is "thirteen billion, ten million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 3 809 2427 5360623 16081869 4336744007 13010232021