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13005628328 = 23711113186841
BaseRepresentation
bin11000001110011001…
…00010001110101000
31020120101101101002002
430013030202032220
5203113420101303
65550311430132
7640202005520
oct140714421650
936511341062
1013005628328
11557437a070
12262b685348
1312c35c2784
148b53d2680
15511bb4788
hex3073223a8

13005628328 has 64 divisors (see below), whose sum is σ = 30671982720. Its totient is φ = 5022259200.

The previous prime is 13005628313. The next prime is 13005628331. The reversal of 13005628328 is 82382650031.

It is a junction number, because it is equal to n+sod(n) for n = 13005628291 and 13005628300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23813 + ... + 163028.

It is an arithmetic number, because the mean of its divisors is an integer number (479249730).

Almost surely, 213005628328 is an apocalyptic number.

It is an amenable number.

13005628328 is an abundant number, since it is smaller than the sum of its proper divisors (17666354392).

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

13005628328 is a wasteful number, since it uses less digits than its factorization.

13005628328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186978 (or 186974 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 13005628328 in words is "thirteen billion, five million, six hundred twenty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 113 154 226 308 452 616 791 904 1243 1582 2486 3164 4972 6328 8701 9944 17402 34804 69608 186841 373682 747364 1307887 1494728 2055251 2615774 4110502 5231548 8221004 10463096 14386757 16442008 21113033 28773514 42226066 57547028 84452132 115094056 147791231 168904264 232243363 295582462 464486726 591164924 928973452 1182329848 1625703541 1857946904 3251407082 6502814164 13005628328