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30234022012221 = 310078007337407
BaseRepresentation
bin1101101111111011010000…
…01001000110010100111101
310222001100021222101201220020
412313331220021012110331
512430323234113342341
6144145152403042353
76240223151565216
oct667755011062475
9128040258351806
1030234022012221
1196a71a4254625
1234836809703b9
1313b40961811b1
14767497b1a40d
153766c9ee9566
hex1b7f6824653d

30234022012221 has 4 divisors (see below), whose sum is σ = 40312029349632. Its totient is φ = 20156014674812.

The previous prime is 30234022012213. The next prime is 30234022012253. The reversal of 30234022012221 is 12221022043203.

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 a cyclic number.

It is not a de Polignac number, because 30234022012221 - 23 = 30234022012213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30234022012191 and 30234022012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30234022012211) 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, 5039003668701 + ... + 5039003668706.

It is an arithmetic number, because the mean of its divisors is an integer number (10078007337408).

Almost surely, 230234022012221 is an apocalyptic number.

It is an amenable number.

30234022012221 is a deficient number, since it is larger than the sum of its proper divisors (10078007337411).

30234022012221 is a wasteful number, since it uses less digits than its factorization.

30234022012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10078007337410.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30234022012221 its reverse (12221022043203), we get a palindrome (42455044055424).

The spelling of 30234022012221 in words is "thirty trillion, two hundred thirty-four billion, twenty-two million, twelve thousand, two hundred twenty-one".

Divisors: 1 3 10078007337407 30234022012221