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13121414101 = 18307716743
BaseRepresentation
bin11000011100001100…
…01110001111010101
31020212110020220022001
430032012032033111
5203333040222401
610010005235301
7643106115415
oct141606161725
936773226261
1013121414101
115623772694
122662402b31
1313115a2473
148c6932645
1551be36601
hex30e18e3d5

13121414101 has 4 divisors (see below), whose sum is σ = 13122149152. Its totient is φ = 13120679052.

The previous prime is 13121414087. The next prime is 13121414107. The reversal of 13121414101 is 10141412131.

13121414101 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10141412131 = 88111511251.

It is a cyclic number.

It is not a de Polignac number, because 13121414101 - 25 = 13121414069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121414107) 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 3 ways as a sum of consecutive naturals, for example, 340065 + ... + 376678.

It is an arithmetic number, because the mean of its divisors is an integer number (3280537288).

Almost surely, 213121414101 is an apocalyptic number.

It is an amenable number.

13121414101 is a deficient number, since it is larger than the sum of its proper divisors (735051).

13121414101 is an equidigital number, since it uses as much as digits as its factorization.

13121414101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735050.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 13121414101 its reverse (10141412131), we get a palindrome (23262826232).

The spelling of 13121414101 in words is "thirteen billion, one hundred twenty-one million, four hundred fourteen thousand, one hundred one".

Divisors: 1 18307 716743 13121414101