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68693300375 = 537178355639
BaseRepresentation
bin111111111110011100…
…001001010010010111
320120022100120012222012
4333332130021102113
52111140441103000
651320211454435
74651166263520
oct777634112227
9216270505865
1068693300375
1127150639327
12113912b741b
1366298050cb
14347926d847
151bc0a4a735
hexffe709497

68693300375 has 64 divisors (see below), whose sum is σ = 104991344640. Its totient is φ = 43798233600.

The previous prime is 68693300363. The next prime is 68693300411. The reversal of 68693300375 is 57300339686.

It is not a de Polignac number, because 68693300375 - 212 = 68693296279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1206806 + ... + 1262444.

It is an arithmetic number, because the mean of its divisors is an integer number (1640489760).

Almost surely, 268693300375 is an apocalyptic number.

68693300375 is a deficient number, since it is larger than the sum of its proper divisors (36298044265).

68693300375 is a wasteful number, since it uses less digits than its factorization.

68693300375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55761 (or 55751 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 68693300375 in words is "sixty-eight billion, six hundred ninety-three million, three hundred thousand, three hundred seventy-five".

Divisors: 1 5 7 17 25 35 83 85 119 125 175 415 425 581 595 875 1411 2075 2125 2905 2975 7055 9877 10375 14525 14875 35275 49385 55639 72625 176375 246925 278195 389473 945863 1234625 1390975 1947365 4618037 4729315 6621041 6954875 9736825 23090185 23646575 32326259 33105205 48684125 78506629 115450925 118232875 161631295 165526025 392533145 549546403 577254625 808156475 827630125 1962665725 2747732015 4040782375 9813328625 13738660075 68693300375