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30300113012020 = 2251788184727121
BaseRepresentation
bin1101110001110110010110…
…11110010000010100110100
310222021122212222021101120121
412320323023132100110310
512432414112412341040
6144235402454341324
76245053022036635
oct670731336202464
9128248788241517
1030300113012020
119722229966a15
12349444665a844
1313ba3997b9177
1476a76750988c
1537829735cc4a
hex1b8ecb790534

30300113012020 has 24 divisors (see below), whose sum is σ = 63633796615368. Its totient is φ = 12119367244800.

The previous prime is 30300113012009. The next prime is 30300113012027. The reversal of 30300113012020 is 2021031100303.

It can be written as a sum of positive squares in 4 ways, for example, as 8442674074384 + 21857438937636 = 2905628^2 + 4675194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30300113011985 and 30300113012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300113012027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42005941 + ... + 42721180.

It is an arithmetic number, because the mean of its divisors is an integer number (2651408192307).

Almost surely, 230300113012020 is an apocalyptic number.

It is an amenable number.

30300113012020 is an abundant number, since it is smaller than the sum of its proper divisors (33333683603348).

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

30300113012020 is a wasteful number, since it uses less digits than its factorization.

30300113012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84745011 (or 84745009 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30300113012020 its reverse (2021031100303), we get a palindrome (32321144112323).

The spelling of 30300113012020 in words is "thirty trillion, three hundred billion, one hundred thirteen million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 17881 35762 71524 89405 178810 357620 84727121 169454242 338908484 423635605 847271210 1694542420 1515005650601 3030011301202 6060022602404 7575028253005 15150056506010 30300113012020