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30123320632 = 2319547362303
BaseRepresentation
bin11100000011011111…
…010110010100111000
32212202100100020110221
4130003133112110320
5443143032230012
621501035145424
72114325000136
oct340337262470
985670306427
1030123320632
1111858913709
125a082a5274
132ac0ab25a2
14165a98a756
15bb4888507
hex7037d6538

30123320632 has 32 divisors (see below), whose sum is σ = 59562777600. Its totient is φ = 14242816224.

The previous prime is 30123320621. The next prime is 30123320657. The reversal of 30123320632 is 23602332103.

It is a junction number, because it is equal to n+sod(n) for n = 30123320597 and 30123320606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98008 + ... + 264295.

It is an arithmetic number, because the mean of its divisors is an integer number (1861336800).

Almost surely, 230123320632 is an apocalyptic number.

It is an amenable number.

30123320632 is a deficient number, since it is larger than the sum of its proper divisors (29439456968).

30123320632 is a wasteful number, since it uses less digits than its factorization.

30123320632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362875 (or 362871 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30123320632 its reverse (23602332103), we get a palindrome (53725652735).

The spelling of 30123320632 in words is "thirty billion, one hundred twenty-three million, three hundred twenty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 19 38 76 152 547 1094 2188 4376 10393 20786 41572 83144 362303 724606 1449212 2898424 6883757 13767514 27535028 55070056 198179741 396359482 792718964 1585437928 3765415079 7530830158 15061660316 30123320632