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30123144101 = 178331368207
BaseRepresentation
bin11100000011011110…
…101011001110100101
32212202100000021022202
4130003132223032211
5443143011102401
621501031304245
72114323333361
oct340336531645
985670007282
1030123144101
1111858803016
125a0821b085
132ac0a5012b
14165a9422a1
15bb485106b
hex7037ab3a5

30123144101 has 16 divisors (see below), whose sum is σ = 32382975744. Its totient is φ = 27919716864.

The previous prime is 30123144089. The next prime is 30123144119. The reversal of 30123144101 is 10144132103.

It is a cyclic number.

It is not a de Polignac number, because 30123144101 - 222 = 30118949797 is a prime.

It is a super-2 number, since 2×301231441012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123144151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407540 + ... + 475746.

It is an arithmetic number, because the mean of its divisors is an integer number (2023935984).

Almost surely, 230123144101 is an apocalyptic number.

It is an amenable number.

30123144101 is a deficient number, since it is larger than the sum of its proper divisors (2259831643).

30123144101 is a wasteful number, since it uses less digits than its factorization.

30123144101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68620.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30123144101 its reverse (10144132103), we get a palindrome (40267276204).

The spelling of 30123144101 in words is "thirty billion, one hundred twenty-three million, one hundred forty-four thousand, one hundred one".

Divisors: 1 17 83 313 1411 5321 25979 68207 441643 1159519 5661181 21348791 96240077 362929447 1771949653 30123144101