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30353444132421 = 314817487912481
BaseRepresentation
bin1101110011011001101100…
…10000010101011001000101
310222110202112201012000100010
412321230312100111121011
512434302323144214141
6144320102453340433
76251651433060654
oct671546620253105
9128422481160303
1030353444132421
11974290699a033
1234a284b037719
1313c2418716147
1476d1863d719b
153798693a1416
hex1b9b36415645

30353444132421 has 16 divisors (see below), whose sum is σ = 40504039400448. Its totient is φ = 20219242828800.

The previous prime is 30353444132411. The next prime is 30353444132423. The reversal of 30353444132421 is 12423144435303.

It is not a de Polignac number, because 30353444132421 - 27 = 30353444132293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30353444132421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30353444132423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32808501 + ... + 33720981.

It is an arithmetic number, because the mean of its divisors is an integer number (2531502462528).

Almost surely, 230353444132421 is an apocalyptic number.

It is an amenable number.

30353444132421 is a deficient number, since it is larger than the sum of its proper divisors (10150595268027).

30353444132421 is a wasteful number, since it uses less digits than its factorization.

30353444132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921452.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 30353444132421 its reverse (12423144435303), we get a palindrome (42776588567724).

The spelling of 30353444132421 in words is "thirty trillion, three hundred fifty-three billion, four hundred forty-four million, one hundred thirty-two thousand, four hundred twenty-one".

Divisors: 1 3 1481 4443 7487 22461 912481 2737443 11088247 33264741 1351384361 4054153083 6831745247 20495235741 10117814710807 30353444132421