Search a number
-
+
3220121031121 = 16731361604351
BaseRepresentation
bin101110110110111110001…
…010111001000111010001
3102101211200202211020200101
4232312332022321013101
5410224301440443441
610503145253052401
7451434413102311
oct56667612710721
912354622736611
103220121031121
111031711412415
124400b8027101
131a486b622047
14b1bd73a7441
1558b69390231
hex2edbe2b91d1

3220121031121 has 8 divisors (see below), whose sum is σ = 3249752776704. Its totient is φ = 3190612495200.

The previous prime is 3220121031103. The next prime is 3220121031151. The reversal of 3220121031121 is 1211301210223.

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 3220121031121 - 27 = 3220121030993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220121031151) 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, 30749905 + ... + 30854446.

It is an arithmetic number, because the mean of its divisors is an integer number (406219097088).

Almost surely, 23220121031121 is an apocalyptic number.

It is an amenable number.

3220121031121 is a deficient number, since it is larger than the sum of its proper divisors (29631745583).

3220121031121 is a wasteful number, since it uses less digits than its factorization.

3220121031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61604831.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3220121031121 its reverse (1211301210223), we get a palindrome (4431422241344).

The spelling of 3220121031121 in words is "three trillion, two hundred twenty billion, one hundred twenty-one million, thirty-one thousand, one hundred twenty-one".

Divisors: 1 167 313 52271 61604351 10287926617 19282161863 3220121031121