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30130022231221 = 115934619043727
BaseRepresentation
bin1101101100111001100010…
…10001011010110010110101
310221200101212001110110121111
412312130301101122302311
512422122241142344341
6144025312514515021
76226552016204503
oct666346121326265
9127611761413544
1030130022231221
1196670860748a0
123467497595a71
1313a7330ac8943
1476242d7a1673
15373b3ea7e681
hex1b673145acb5

30130022231221 has 8 divisors (see below), whose sum is σ = 32924543693184. Its totient is φ = 27344738857920.

The previous prime is 30130022231219. The next prime is 30130022231261. The reversal of 30130022231221 is 12213222003103.

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

It is not a de Polignac number, because 30130022231221 - 21 = 30130022231219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30130022231192 and 30130022231201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130022231261) 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, 2309515341 + ... + 2309528386.

It is an arithmetic number, because the mean of its divisors is an integer number (4115567961648).

Almost surely, 230130022231221 is an apocalyptic number.

It is an amenable number.

30130022231221 is a deficient number, since it is larger than the sum of its proper divisors (2794521461963).

30130022231221 is a wasteful number, since it uses less digits than its factorization.

30130022231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619044331.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30130022231221 its reverse (12213222003103), we get a palindrome (42343244234324).

The spelling of 30130022231221 in words is "thirty trillion, one hundred thirty billion, twenty-two million, two hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 11 593 6523 4619043727 50809480997 2739092930111 30130022231221