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30102043124 = 2212253614177
BaseRepresentation
bin11100000010001110…
…001011100111110100
32212200212022020020002
4130002032023213310
5443122110334444
621454555130432
72113646100446
oct340216134764
985625266202
1030102043124
111184790059a
125a01143a18
132ab957284a
141657c0c496
15bb2a83d4e
hex70238b9f4

30102043124 has 12 divisors (see below), whose sum is σ = 52682960484. Its totient is φ = 15049768704.

The previous prime is 30102043117. The next prime is 30102043151. The reversal of 30102043124 is 42134020103.

It can be written as a sum of positive squares in 2 ways, for example, as 17939923600 + 12162119524 = 133940^2 + 110282^2 .

It is a super-2 number, since 2×301020431242 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102043096 and 30102043105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258077 + ... + 356100.

It is an arithmetic number, because the mean of its divisors is an integer number (4390246707).

Almost surely, 230102043124 is an apocalyptic number.

It is an amenable number.

30102043124 is a deficient number, since it is larger than the sum of its proper divisors (22580917360).

30102043124 is a wasteful number, since it uses less digits than its factorization.

30102043124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626434 (or 626432 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30102043124 its reverse (42134020103), we get a palindrome (72236063227).

The spelling of 30102043124 in words is "thirty billion, one hundred two million, forty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 12253 24506 49012 614177 1228354 2456708 7525510781 15051021562 30102043124