Search a number
-
+
30220300203021 = 3234492183944579
BaseRepresentation
bin1101101111100001101100…
…10000100011010000001101
310222000000212200101121100200
412313300312100203100031
512430112133322444041
6144135003025044113
76236226132253455
oct667606620432015
9128000780347320
1030220300203021
1196a13a2694245
123480a91486639
1313b29ba3a5376
1476695557ad65
153761755181b6
hex1b7c3642340d

30220300203021 has 24 divisors (see below), whose sum is σ = 43667179920000. Its totient is φ = 20139651402432.

The previous prime is 30220300203019. The next prime is 30220300203083. The reversal of 30220300203021 is 12030200302203.

It is a happy number.

30220300203021 is a `hidden beast` number, since 302 + 20 + 300 + 20 + 3 + 0 + 21 = 666.

It is not a de Polignac number, because 30220300203021 - 21 = 30220300203019 is a prime.

It is a super-2 number, since 2×302203002030212 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30220300202985 and 30220300203003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220300203001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 677882110 + ... + 677926688.

It is an arithmetic number, because the mean of its divisors is an integer number (1819465830000).

Almost surely, 230220300203021 is an apocalyptic number.

It is an amenable number.

30220300203021 is a deficient number, since it is larger than the sum of its proper divisors (13446879716979).

30220300203021 is a wasteful number, since it uses less digits than its factorization.

30220300203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69873 (or 69870 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30220300203021 its reverse (12030200302203), we get a palindrome (42250500505224).

The spelling of 30220300203021 in words is "thirty trillion, two hundred twenty billion, three hundred million, two hundred three thousand, twenty-one".

Divisors: 1 3 9 3449 10347 21839 31041 44579 65517 133737 196551 401211 75322711 153752971 225968133 461258913 677904399 973560781 1383776739 2920682343 8762047029 3357811133669 10073433401007 30220300203021