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30121330296 = 2333123747751
BaseRepresentation
bin11100000011010111…
…110000011001111000
32212202012121010020210
4130003113300121320
5443142030032141
621500524351120
72114302040331
oct340327603170
985665533223
1030121330296
1111857784302
125a076a54a0
132ac0566685
14165a5cd288
15bb45e3916
hex7035f0678

30121330296 has 192 divisors, whose sum is σ = 81722787840. Its totient is φ = 9240480000.

The previous prime is 30121330273. The next prime is 30121330297. The reversal of 30121330296 is 69203312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121330297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40107921 + ... + 40108671.

It is an arithmetic number, because the mean of its divisors is an integer number (425639520).

Almost surely, 230121330296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30121330296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40861393920).

30121330296 is an abundant number, since it is smaller than the sum of its proper divisors (51601457544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30121330296 is a wasteful number, since it uses less digits than its factorization.

30121330296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

Adding to 30121330296 its reverse (69203312103), we get a palindrome (99324642399).

The spelling of 30121330296 in words is "thirty billion, one hundred twenty-one million, three hundred thirty thousand, two hundred ninety-six".