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30103013124 = 2233278731603
BaseRepresentation
bin11100000010010001…
…111000011100000100
32212200221010111211000
4130002101320130010
5443122332404444
621455032013300
72113660250442
oct340221703404
985627114730
1030103013124
1111848403348
125a01531230
132ab9822202
141657dc1b92
15bb2bc6469
hex702478704

30103013124 has 24 divisors (see below), whose sum is σ = 78044849120. Its totient is φ = 10034337672.

The previous prime is 30103013069. The next prime is 30103013131. The reversal of 30103013124 is 42131030103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30103013097 and 30103013106.

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 7 ways as a sum of consecutive naturals, for example, 139365694 + ... + 139365909.

Almost surely, 230103013124 is an apocalyptic number.

It is an amenable number.

30103013124 is an abundant number, since it is smaller than the sum of its proper divisors (47941835996).

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

30103013124 is a wasteful number, since it uses less digits than its factorization.

30103013124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278731616 (or 278731608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30103013124 its reverse (42131030103), we get a palindrome (72234043227).

The spelling of 30103013124 in words is "thirty billion, one hundred three million, thirteen thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 278731603 557463206 836194809 1114926412 1672389618 2508584427 3344779236 5017168854 7525753281 10034337708 15051506562 30103013124