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30121132330 = 253123134353
BaseRepresentation
bin11100000011010111…
…000000000100101010
32212202012020001200201
4130003113000010222
5443142002213310
621500520222414
72114300254222
oct340327000452
985665201621
1030121132330
11118576595a3
125a0760aa0a
132ac04c7533
14165a57b082
15bb45a4e3a
hex7035c012a

30121132330 has 24 divisors (see below), whose sum is σ = 56023443396. Its totient is φ = 11659789440.

The previous prime is 30121132319. The next prime is 30121132343. The reversal of 30121132330 is 3323112103.

30121132330 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25975446561 + 4145685769 = 161169^2 + 64387^2 .

It is a super-2 number, since 2×301211323302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30121132298 and 30121132307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1557567 + ... + 1576786.

Almost surely, 230121132330 is an apocalyptic number.

30121132330 is a deficient number, since it is larger than the sum of its proper divisors (25902311066).

30121132330 is a wasteful number, since it uses less digits than its factorization.

30121132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134422 (or 3134391 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30121132330 its reverse (3323112103), we get a palindrome (33444244433).

The spelling of 30121132330 in words is "thirty billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 961 1922 4805 9610 3134353 6268706 15671765 31343530 97164943 194329886 485824715 971649430 3012113233 6024226466 15060566165 30121132330