Search a number
-
+
121333224241 = 1732572728981
BaseRepresentation
bin111000100000000000…
…1100001001100110001
3102121011220212102100001
41301000001201030301
53441442301133431
6131423440030001
711523515250355
oct1610001411461
9377156772301
10121333224241
1147503495239
121b622302301
13b598485a58
145c30435465
153252059e61
hex1c40061331

121333224241 has 8 divisors (see below), whose sum is σ = 122509459944. Its totient is φ = 120162447360.

The previous prime is 121333224239. The next prime is 121333224263. The reversal of 121333224241 is 142422333121.

It can be written as a sum of positive squares in 4 ways, for example, as 108567614016 + 12765610225 = 329496^2 + 112985^2 .

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 121333224241 - 21 = 121333224239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333224641) 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, 1320030 + ... + 1408951.

It is an arithmetic number, because the mean of its divisors is an integer number (15313682493).

Almost surely, 2121333224241 is an apocalyptic number.

It is an amenable number.

121333224241 is a deficient number, since it is larger than the sum of its proper divisors (1176235703).

121333224241 is a wasteful number, since it uses less digits than its factorization.

121333224241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729411.

The product of its digits is 6912, while the sum is 28.

Adding to 121333224241 its reverse (142422333121), we get a palindrome (263755557362).

The spelling of 121333224241 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred twenty-four thousand, two hundred forty-one".

Divisors: 1 173 257 44461 2728981 472113713 701348117 121333224241