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13230126097 = 49126945267
BaseRepresentation
bin11000101001001001…
…11011010000010001
31021011000211001010021
430110210323100101
5204043403013342
610024451303441
7645566134126
oct142444732021
937130731107
1013230126097
11567a074611
1226928aab81
13132ac764a6
148d715074d
1552675c567
hex31493b411

13230126097 has 4 divisors (see below), whose sum is σ = 13257071856. Its totient is φ = 13203180340.

The previous prime is 13230126089. The next prime is 13230126109. The reversal of 13230126097 is 79062103231.

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: 79062103231 = 94738346047.

It is a cyclic number.

It is not a de Polignac number, because 13230126097 - 23 = 13230126089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13230126017) 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, 13472143 + ... + 13473124.

It is an arithmetic number, because the mean of its divisors is an integer number (3314267964).

Almost surely, 213230126097 is an apocalyptic number.

It is an amenable number.

13230126097 is a deficient number, since it is larger than the sum of its proper divisors (26945759).

13230126097 is an equidigital number, since it uses as much as digits as its factorization.

13230126097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26945758.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 13230126097 in words is "thirteen billion, two hundred thirty million, one hundred twenty-six thousand, ninety-seven".

Divisors: 1 491 26945267 13230126097