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30310212121330 = 253031021212133
BaseRepresentation
bin1101110010001001001010…
…11011010011001011110010
310222022121221210112022010011
412321010211123103023302
512433100303300340310
6144244152541325134
76245561212044211
oct671044533231362
9128277853468104
1030310212121330
119726541614249
1234963a48667aa
1313bb318b978ab
1476b0448ab078
15378688c9678a
hex1b91256d32f2

30310212121330 has 8 divisors (see below), whose sum is σ = 54558381818412. Its totient is φ = 12124084848528.

The previous prime is 30310212121307. The next prime is 30310212121331. The reversal of 30310212121330 is 3312121201303.

It can be written as a sum of positive squares in 2 ways, for example, as 29158520418769 + 1151691702561 = 5399863^2 + 1073169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30310212121331) 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 3 ways as a sum of consecutive naturals, for example, 1515510606057 + ... + 1515510606076.

Almost surely, 230310212121330 is an apocalyptic number.

30310212121330 is a deficient number, since it is larger than the sum of its proper divisors (24248169697082).

30310212121330 is a wasteful number, since it uses less digits than its factorization.

30310212121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031021212140.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30310212121330 its reverse (3312121201303), we get a palindrome (33622333322633).

The spelling of 30310212121330 in words is "thirty trillion, three hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 3031021212133 6062042424266 15155106060665 30310212121330