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30220245030505 = 529208415482969
BaseRepresentation
bin1101101111100001100101…
…11110000101011001101001
310222000000201211120112220011
412313300302332011121221
512430112030211434010
6144134553334331521
76236224562303605
oct667606276053151
9128000654515804
1030220245030505
1196a1374530322
123480a76ab9ba1
1313b29abb287ca
1476694c0d8505
1537617076aa8a
hex1b7c32f85669

30220245030505 has 8 divisors (see below), whose sum is σ = 37514786934600. Its totient is φ = 23342534092416.

The previous prime is 30220245030487. The next prime is 30220245030523. The reversal of 30220245030505 is 50503054202203.

It is an interprime number because it is at equal distance from previous prime (30220245030487) and next prime (30220245030523).

It can be written as a sum of positive squares in 4 ways, for example, as 1948681986304 + 28271563044201 = 1395952^2 + 5317101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-30220245030505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104207741340 + ... + 104207741629.

It is an arithmetic number, because the mean of its divisors is an integer number (4689348366825).

Almost surely, 230220245030505 is an apocalyptic number.

It is an amenable number.

30220245030505 is a deficient number, since it is larger than the sum of its proper divisors (7294541904095).

30220245030505 is a wasteful number, since it uses less digits than its factorization.

30220245030505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208415483003.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 30220245030505 its reverse (50503054202203), we get a palindrome (80723299232708).

The spelling of 30220245030505 in words is "thirty trillion, two hundred twenty billion, two hundred forty-five million, thirty thousand, five hundred five".

Divisors: 1 5 29 145 208415482969 1042077414845 6044049006101 30220245030505