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6968613090875 = 531491793920857
BaseRepresentation
bin110010101101000000110…
…1101010011011000111011
3220200012012121221210100112
41211122001231103120323
51403133204422402000
622453200415054535
71316315504640422
oct145320155233073
926605177853315
106968613090875
112247410466a27
1294669251144b
133b71a2b19457
141a13d59262b9
15c1409e69235
hex65681b5363b

6968613090875 has 32 divisors (see below), whose sum is σ = 8756104968000. Its totient is φ = 5536900934400.

The previous prime is 6968613090869. The next prime is 6968613090889. The reversal of 6968613090875 is 5780903168696.

It is not a de Polignac number, because 6968613090875 - 220 = 6968612042299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334103447 + ... + 334124303.

It is an arithmetic number, because the mean of its divisors is an integer number (273628280250).

Almost surely, 26968613090875 is an apocalyptic number.

6968613090875 is a deficient number, since it is larger than the sum of its proper divisors (1787491877125).

6968613090875 is a wasteful number, since it uses less digits than its factorization.

6968613090875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38960 (or 38950 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 68.

The spelling of 6968613090875 in words is "six trillion, nine hundred sixty-eight billion, six hundred thirteen million, ninety thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 149 745 3725 17939 18625 20857 89695 104285 448475 521425 2242375 2607125 2672911 3107693 13364555 15538465 66822775 77692325 334113875 374153723 388461625 1870768615 9353843075 46769215375 55748904727 278744523635 1393722618175 6968613090875