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30020030222321 = 41732195859081
BaseRepresentation
bin1101101001101100101010…
…01111001100111111110001
310221021212221112002110222002
412310312111033030333301
512413322010214103241
6143503002252223345
76215606222435636
oct664662517147761
9127255845073862
1030020030222321
1196244724925a7
12344a0bb46ab55
131399b521690c9
1475ad9769c18d
15370d5351489b
hex1b4d953ccff1

30020030222321 has 4 divisors (see below), whose sum is σ = 30752226081444. Its totient is φ = 29287834363200.

The previous prime is 30020030222311. The next prime is 30020030222381. The reversal of 30020030222321 is 12322203002003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8526189761296 + 21493840461025 = 2919964^2 + 4636145^2 .

It is a cyclic number.

It is not a de Polignac number, because 30020030222321 - 210 = 30020030221297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30020030222293 and 30020030222302.

It is not an unprimeable number, because it can be changed into a prime (30020030222311) 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, 366097929500 + ... + 366097929581.

It is an arithmetic number, because the mean of its divisors is an integer number (7688056520361).

Almost surely, 230020030222321 is an apocalyptic number.

It is an amenable number.

30020030222321 is a deficient number, since it is larger than the sum of its proper divisors (732195859123).

30020030222321 is an equidigital number, since it uses as much as digits as its factorization.

30020030222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732195859122.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30020030222321 its reverse (12322203002003), we get a palindrome (42342233224324).

The spelling of 30020030222321 in words is "thirty trillion, twenty billion, thirty million, two hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 41 732195859081 30020030222321