Search a number
-
+
30321033312233 = 173319498977049
BaseRepresentation
bin1101110010011101010100…
…11010110111011111101001
310222100122212221111202101102
412321032222122313133221
512433234434011442413
6144253142421131145
76246423320461556
oct671165232673751
9128318787452342
1030321033312233
119730094923124
123498504859ab5
1313bc351a47431
1476b78db13a2d
15378abdcb5458
hex1b93aa6b77e9

30321033312233 has 8 divisors (see below), whose sum is σ = 30354099165000. Its totient is φ = 30287985420928.

The previous prime is 30321033312133. The next prime is 30321033312259. The reversal of 30321033312233 is 33221333012303.

It can be written as a sum of positive squares in 4 ways, for example, as 10207494636889 + 20113538675344 = 3194917^2 + 4484812^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30321033312233 is a prime.

It is a super-2 number, since 2×303210333122332 (a number of 28 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 = 30321033312196 and 30321033312205.

It is not an unprimeable number, because it can be changed into a prime (30321033312133) 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, 1110908 + ... + 7866141.

It is an arithmetic number, because the mean of its divisors is an integer number (3794262395625).

Almost surely, 230321033312233 is an apocalyptic number.

It is an amenable number.

30321033312233 is a deficient number, since it is larger than the sum of its proper divisors (33065852767).

30321033312233 is a wasteful number, since it uses less digits than its factorization.

30321033312233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980731.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 30321033312233 its reverse (33221333012303), we get a palindrome (63542366324536).

The spelling of 30321033312233 in words is "thirty trillion, three hundred twenty-one billion, thirty-three million, three hundred twelve thousand, two hundred thirty-three".

Divisors: 1 1733 1949 3377617 8977049 15557225917 17496268501 30321033312233