Search a number
-
+
13023121322201 = 21172361510187
BaseRepresentation
bin1011110110000010111010…
…0001010011000011011001
31201002222221201100101122012
42331200232201103003121
53201332323024302301
643410423410435305
72512614041530124
oct275405641230331
951088851311565
1013023121322201
114171090524341
121563b74b92b35
137360c8c15263
14330472a953bb
15178b6445debb
hexbd82e8530d9

13023121322201 has 4 divisors (see below), whose sum is σ = 13023183044112. Its totient is φ = 13023059600292.

The previous prime is 13023121322177. The next prime is 13023121322251. The reversal of 13023121322201 is 10222312132031.

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-13023121322201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023121322251) 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, 30543371 + ... + 30966816.

It is an arithmetic number, because the mean of its divisors is an integer number (3255795761028).

Almost surely, 213023121322201 is an apocalyptic number.

It is an amenable number.

13023121322201 is a deficient number, since it is larger than the sum of its proper divisors (61721911).

13023121322201 is an equidigital number, since it uses as much as digits as its factorization.

13023121322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61721910.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13023121322201 its reverse (10222312132031), we get a palindrome (23245433454232).

The spelling of 13023121322201 in words is "thirteen trillion, twenty-three billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred one".

Divisors: 1 211723 61510187 13023121322201