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68375035417 = 13113283164471
BaseRepresentation
bin111111101011011110…
…000011111000011001
320112111011200200112011
4333223132003320121
52110013002113132
651224442145521
74640253132403
oct775336037031
9215434620464
1068375035417
1126aa7a1a137
12113027b22a1
1365a88b0850
143448ca3b73
151ba2b2eb47
hexfeb783e19

68375035417 has 16 divisors (see below), whose sum is σ = 74549236608. Its totient is φ = 62335445760.

The previous prime is 68375035411. The next prime is 68375035423. The reversal of 68375035417 is 71453057386.

It is an interprime number because it is at equal distance from previous prime (68375035411) and next prime (68375035423).

It is a cyclic number.

It is not a de Polignac number, because 68375035417 - 23 = 68375035409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68375035411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333492 + ... + 497962.

It is an arithmetic number, because the mean of its divisors is an integer number (4659327288).

Almost surely, 268375035417 is an apocalyptic number.

It is an amenable number.

68375035417 is a deficient number, since it is larger than the sum of its proper divisors (6174201191).

68375035417 is a wasteful number, since it uses less digits than its factorization.

68375035417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164880.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 68375035417 in words is "sixty-eight billion, three hundred seventy-five million, thirty-five thousand, four hundred seventeen".

Divisors: 1 13 113 283 1469 3679 31979 164471 415727 2138123 18585223 46545293 241607899 605088809 5259618109 68375035417