Search a number
-
+
30211302320221 = 113795172369161
BaseRepresentation
bin1101101111010000111011…
…11100010110100001011101
310221222011122121021210121011
412313220131330112201131
512424440221343221341
6144130514121135221
76235460143441141
oct667503574264135
9127864577253534
1030211302320221
1196985a5609770
12347b1a002a511
1313b1bb51b6969
14766340557221
15375cea608b81
hex1b7a1df1685d

30211302320221 has 8 divisors (see below), whose sum is σ = 32958653234688. Its totient is φ = 27464096220000.

The previous prime is 30211302320197. The next prime is 30211302320231. The reversal of 30211302320221 is 12202320311203.

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

It is not a de Polignac number, because 30211302320221 - 225 = 30211268765789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30211302320192 and 30211302320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211302320231) 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, 35767120 + ... + 36602041.

It is an arithmetic number, because the mean of its divisors is an integer number (4119831654336).

Almost surely, 230211302320221 is an apocalyptic number.

It is an amenable number.

30211302320221 is a deficient number, since it is larger than the sum of its proper divisors (2747350914467).

30211302320221 is a wasteful number, since it uses less digits than its factorization.

30211302320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72407123.

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

Adding to 30211302320221 its reverse (12202320311203), we get a palindrome (42413622631424).

The spelling of 30211302320221 in words is "thirty trillion, two hundred eleven billion, three hundred two million, three hundred twenty thousand, two hundred twenty-one".

Divisors: 1 11 37951 417461 72369161 796060771 2746482029111 30211302320221