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30123106436 = 2248715463607
BaseRepresentation
bin11100000011011110…
…100010000010000100
32212202022221100122202
4130003132202002010
5443143003401221
621501030414032
72114323115513
oct340336420204
985668840582
1030123106436
1111858787795
125a08201318
132ac0a38c47
14165a93267a
15bb4844d0b
hex7037a2084

30123106436 has 12 divisors (see below), whose sum is σ = 52823684928. Its totient is φ = 15030625032.

The previous prime is 30123106381. The next prime is 30123106457. The reversal of 30123106436 is 63460132103.

It is a junction number, because it is equal to n+sod(n) for n = 30123106399 and 30123106408.

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 3 ways as a sum of consecutive naturals, for example, 7729856 + ... + 7733751.

It is an arithmetic number, because the mean of its divisors is an integer number (4401973744).

Almost surely, 230123106436 is an apocalyptic number.

It is an amenable number.

30123106436 is a deficient number, since it is larger than the sum of its proper divisors (22700578492).

30123106436 is a wasteful number, since it uses less digits than its factorization.

30123106436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15464098 (or 15464096 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 30123106436 its reverse (63460132103), we get a palindrome (93583238539).

The spelling of 30123106436 in words is "thirty billion, one hundred twenty-three million, one hundred six thousand, four hundred thirty-six".

Divisors: 1 2 4 487 974 1948 15463607 30927214 61854428 7530776609 15061553218 30123106436