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68005596730 = 2547144692759
BaseRepresentation
bin111111010101011100…
…110000111000111010
320111112102112020220211
4333111130300320322
52103233413043410
651124043541334
74625146014601
oct772534607072
9214472466824
1068005596730
1126928428405
121121ab2a84a
13654a1ac886
143411bb6a38
151b804a668a
hexfd5730e3a

68005596730 has 16 divisors (see below), whose sum is σ = 125014544640. Its totient is φ = 26623467472.

The previous prime is 68005596611. The next prime is 68005596761. The reversal of 68005596730 is 3769550086.

It is a super-2 number, since 2×680055967302 (a number of 22 digits) contains 22 as substring.

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, 72345910 + ... + 72346849.

It is an arithmetic number, because the mean of its divisors is an integer number (7813409040).

Almost surely, 268005596730 is an apocalyptic number.

68005596730 is a deficient number, since it is larger than the sum of its proper divisors (57008947910).

68005596730 is a wasteful number, since it uses less digits than its factorization.

68005596730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144692813.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 68005596730 in words is "sixty-eight billion, five million, five hundred ninety-six thousand, seven hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 144692759 289385518 723463795 1446927590 6800559673 13601119346 34002798365 68005596730