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30520443254241 = 310173481084747
BaseRepresentation
bin1101111000010000110000…
…01011011011010111100001
311000001201121011111101111010
412330020120023123113201
513000021331433113431
6144524521552211133
76300013015145103
oct674103013332741
9130051534441433
1030520443254241
1197a7713606a96
12350b096839aa9
1314050b0a3c065
147772a96b9573
1537dd90532846
hex1bc2182db5e1

30520443254241 has 4 divisors (see below), whose sum is σ = 40693924338992. Its totient is φ = 20346962169492.

The previous prime is 30520443254239. The next prime is 30520443254291. The reversal of 30520443254241 is 14245234402503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30520443254241 - 21 = 30520443254239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30520443254241.

It is not an unprimeable number, because it can be changed into a prime (30520443254291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5086740542371 + ... + 5086740542376.

It is an arithmetic number, because the mean of its divisors is an integer number (10173481084748).

Almost surely, 230520443254241 is an apocalyptic number.

It is an amenable number.

30520443254241 is a deficient number, since it is larger than the sum of its proper divisors (10173481084751).

30520443254241 is a wasteful number, since it uses less digits than its factorization.

30520443254241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173481084750.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 30520443254241 its reverse (14245234402503), we get a palindrome (44765677656744).

The spelling of 30520443254241 in words is "thirty trillion, five hundred twenty billion, four hundred forty-three million, two hundred fifty-four thousand, two hundred forty-one".

Divisors: 1 3 10173481084747 30520443254241