Search a number
-
+
30133312321 = 742509101267
BaseRepresentation
bin11100000100000101…
…011101101101000001
32212210001010212111111
4130010011131231001
5443203111443241
621502033243321
72114505633340
oct340405355501
985701125444
1030133312321
1111863518602
125a0b703541
132ac2ba0428
14165c02bb57
15bb56adc81
hex70415db41

30133312321 has 8 divisors (see below), whose sum is σ = 34439221440. Its totient is φ = 25827690768.

The previous prime is 30133312301. The next prime is 30133312343. The reversal of 30133312321 is 12321333103.

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 30133312321 - 213 = 30133304129 is a prime.

It is a super-2 number, since 2×301333123212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30133312292 and 30133312301.

It is not an unprimeable number, because it can be changed into a prime (30133312301) 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, 246930 + ... + 348196.

It is an arithmetic number, because the mean of its divisors is an integer number (4304902680).

Almost surely, 230133312321 is an apocalyptic number.

It is an amenable number.

30133312321 is a deficient number, since it is larger than the sum of its proper divisors (4305909119).

30133312321 is a wasteful number, since it uses less digits than its factorization.

30133312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143783.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30133312321 its reverse (12321333103), we get a palindrome (42454645424).

The spelling of 30133312321 in words is "thirty billion, one hundred thirty-three million, three hundred twelve thousand, three hundred twenty-one".

Divisors: 1 7 42509 101267 297563 708869 4304758903 30133312321