Search a number
-
+
12301661075321 = 643173171104791
BaseRepresentation
bin1011001100000011010000…
…1000110111011101111001
31121120000201220121111111202
42303000310020313131321
53103022300213402241
642055145521503545
72406523425601142
oct263006410673571
947500656544452
1012301661075321
113a13117a78622
1214681894a1bb5
136b30706b97a7
14307591592ac9
15164edb344d9b
hexb3034237779

12301661075321 has 8 divisors (see below), whose sum is σ = 12321515379264. Its totient is φ = 12281809016880.

The previous prime is 12301661075287. The next prime is 12301661075381. The reversal of 12301661075321 is 12357016610321.

It is a happy number.

12301661075321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12301661075321 - 214 = 12301661058937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12301661075381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10582436 + ... + 11687226.

It is an arithmetic number, because the mean of its divisors is an integer number (1540189422408).

Almost surely, 212301661075321 is an apocalyptic number.

It is an amenable number.

12301661075321 is a deficient number, since it is larger than the sum of its proper divisors (19854303943).

12301661075321 is a wasteful number, since it uses less digits than its factorization.

12301661075321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122751.

The product of its (nonzero) digits is 45360, while the sum is 38.

Adding to 12301661075321 its reverse (12357016610321), we get a palindrome (24658677685642).

The spelling of 12301661075321 in words is "twelve trillion, three hundred one billion, six hundred sixty-one million, seventy-five thousand, three hundred twenty-one".

Divisors: 1 643 17317 1104791 11134831 710380613 19131665747 12301661075321