Search a number
-
+
30231151420212 = 2232839754206117
BaseRepresentation
bin1101101111110101111010…
…00010101010001100110100
310222001001212220212112221200
412313322331002222030310
512430301344230421322
6144143555500212500
76240062054136261
oct667727502521464
9128031786775850
1030231151420212
1196a5a60941336
123482bbb53a130
1313b3a29538b42
147672a479c268
153765aceb88ac
hex1b7ebd0aa334

30231151420212 has 18 divisors (see below), whose sum is σ = 76417632756738. Its totient is φ = 10077050473392.

The previous prime is 30231151420207. The next prime is 30231151420229. The reversal of 30231151420212 is 21202415113203.

It is a happy number.

30231151420212 is a `hidden beast` number, since 3 + 0 + 23 + 1 + 1 + 5 + 1 + 420 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30195398661156 + 35752759056 = 5495034^2 + 189084^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419877103023 + ... + 419877103094.

It is an arithmetic number, because the mean of its divisors is an integer number (4245424042041).

Almost surely, 230231151420212 is an apocalyptic number.

It is an amenable number.

30231151420212 is an abundant number, since it is smaller than the sum of its proper divisors (46186481336526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30231151420212 is a wasteful number, since it uses less digits than its factorization.

30231151420212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839754206127 (or 839754206122 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 30231151420212 its reverse (21202415113203), we get a palindrome (51433566533415).

The spelling of 30231151420212 in words is "thirty trillion, two hundred thirty-one billion, one hundred fifty-one million, four hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 839754206117 1679508412234 2519262618351 3359016824468 5038525236702 7557787855053 10077050473404 15115575710106 30231151420212