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13010201301221 = 47276812793643
BaseRepresentation
bin1011110101010010110001…
…1011010101000011100101
31201001202121022001022202122
42331110230123111003211
53201124343013114341
643400445353515325
72511645626260355
oct275245433250345
951052538038678
1013010201301221
114166660506353
12156156a112b45
13734b1a297227
1432d9a8bc8b65
1517865a05994b
hexbd52c6d50e5

13010201301221 has 4 divisors (see below), whose sum is σ = 13287014094912. Its totient is φ = 12733388507532.

The previous prime is 13010201301179. The next prime is 13010201301257. The reversal of 13010201301221 is 12210310201031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13010201301221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13010201301221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13010201301121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138406396775 + ... + 138406396868.

It is an arithmetic number, because the mean of its divisors is an integer number (3321753523728).

Almost surely, 213010201301221 is an apocalyptic number.

It is an amenable number.

13010201301221 is a deficient number, since it is larger than the sum of its proper divisors (276812793691).

13010201301221 is an equidigital number, since it uses as much as digits as its factorization.

13010201301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276812793690.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13010201301221 its reverse (12210310201031), we get a palindrome (25220511502252).

The spelling of 13010201301221 in words is "thirteen trillion, ten billion, two hundred one million, three hundred one thousand, two hundred twenty-one".

Divisors: 1 47 276812793643 13010201301221