[go: up one dir, main page]

Search a number
-
+
201331121 = 2376911383
BaseRepresentation
bin11000000000000…
…01000110110001
3112000211200101012
430000001012301
5403020043441
631551120305
74663200125
oct1400010661
9460750335
10201331121
11a3712062
1257513095
1332932154
141ca4b585
1512a1d9eb
hexc0011b1

201331121 has 8 divisors (see below), whose sum is σ = 210376320. Its totient is φ = 192310272.

The previous prime is 201331111. The next prime is 201331133. The reversal of 201331121 is 121133102.

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 201331121 - 26 = 201331057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201331096 and 201331105.

It is not an unprimeable number, because it can be changed into a prime (201331111) 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, 11996 + ... + 23378.

It is an arithmetic number, because the mean of its divisors is an integer number (26297040).

Almost surely, 2201331121 is an apocalyptic number.

It is an amenable number.

201331121 is a deficient number, since it is larger than the sum of its proper divisors (9045199).

201331121 is a wasteful number, since it uses less digits than its factorization.

201331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 201331121 is about 14189.1198106155. The cubic root of 201331121 is about 586.0980870338.

Adding to 201331121 its reverse (121133102), we get a palindrome (322464223).

The spelling of 201331121 in words is "two hundred one million, three hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 23 769 11383 17687 261809 8753527 201331121