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30030120333221 = 353344753189929
BaseRepresentation
bin1101101001111111011101…
…01001111010111110100101
310221022211222201102020000012
412310333232221322332211
512414003141301130341
6143511351414300005
76216414243114611
oct664775651727645
9127284881366005
1030030120333221
119628780054228
123450056657605
13139aa9c716b28
1475b67379a341
153712442720eb
hex1b4feea7afa5

30030120333221 has 8 divisors (see below), whose sum is σ = 30039449595480. Its totient is φ = 30020791547392.

The previous prime is 30030120333211. The next prime is 30030120333293. The reversal of 30030120333221 is 12233302103003.

It can be written as a sum of positive squares in 4 ways, for example, as 6056963988100 + 23973156345121 = 2461090^2 + 4896239^2 .

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 30030120333221 - 214 = 30030120316837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030120333211) 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, 158017385 + ... + 158207313.

It is an arithmetic number, because the mean of its divisors is an integer number (3754931199435).

Almost surely, 230030120333221 is an apocalyptic number.

It is an amenable number.

30030120333221 is a deficient number, since it is larger than the sum of its proper divisors (9329262259).

30030120333221 is a wasteful number, since it uses less digits than its factorization.

30030120333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238215.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30030120333221 its reverse (12233302103003), we get a palindrome (42263422436224).

The spelling of 30030120333221 in words is "thirty trillion, thirty billion, one hundred twenty million, three hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 3533 44753 189929 158112349 671019157 8499892537 30030120333221