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30401330120021 = 738590711254129
BaseRepresentation
bin1101110100110010111000…
…11110111000010101010101
310222122100010222010020010102
412322121130132320111111
512441043411002320041
6144354102300303445
76255265205206160
oct672313436702525
9128570128106112
1030401330120021
11976114a3232a3
1234abb93b41b85
1313c6aaa500053
1477160a070ad7
1537ac1d36209b
hex1ba65c7b8555

30401330120021 has 8 divisors (see below), whose sum is σ = 34744470400320. Its totient is φ = 26058213119808.

The previous prime is 30401330120011. The next prime is 30401330120069. The reversal of 30401330120021 is 12002103310403.

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 30401330120021 - 226 = 30401263011157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30401330119975 and 30401330120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30401330120011) 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, 2925716 + ... + 8328413.

It is an arithmetic number, because the mean of its divisors is an integer number (4343058800040).

Almost surely, 230401330120021 is an apocalyptic number.

It is an amenable number.

30401330120021 is a deficient number, since it is larger than the sum of its proper divisors (4343140280299).

30401330120021 is a wasteful number, since it uses less digits than its factorization.

30401330120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640043.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30401330120021 its reverse (12002103310403), we get a palindrome (42403433430424).

The spelling of 30401330120021 in words is "thirty trillion, four hundred one billion, three hundred thirty million, one hundred twenty thousand, twenty-one".

Divisors: 1 7 385907 2701349 11254129 78778903 4343047160003 30401330120021