Search a number
-
+
13123021022201 = 22840275745563
BaseRepresentation
bin1011111011110111000100…
…0000011010001111111001
31201110112210220020222011002
42332331301000122033321
53210001421340202301
643524344352014345
72523051460133606
oct276756100321771
951415726228132
1013123021022201
1141aa495283582
12157b3b52313b5
13742659a0778c
1433522c6876ad
1517b55e98516b
hexbef7101a3f9

13123021022201 has 4 divisors (see below), whose sum is σ = 13123029051792. Its totient is φ = 13123012992612.

The previous prime is 13123021022179. The next prime is 13123021022227. The reversal of 13123021022201 is 10222012032131.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13123021022201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13123021022231) 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, 588755 + ... + 5156808.

It is an arithmetic number, because the mean of its divisors is an integer number (3280757262948).

Almost surely, 213123021022201 is an apocalyptic number.

It is an amenable number.

13123021022201 is a deficient number, since it is larger than the sum of its proper divisors (8029591).

13123021022201 is an equidigital number, since it uses as much as digits as its factorization.

13123021022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8029590.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13123021022201 its reverse (10222012032131), we get a palindrome (23345033054332).

The spelling of 13123021022201 in words is "thirteen trillion, one hundred twenty-three billion, twenty-one million, twenty-two thousand, two hundred one".

Divisors: 1 2284027 5745563 13123021022201