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67709430607 = 7133741490481
BaseRepresentation
bin111111000011110010…
…111110101101001111
320110202210020110101011
4333003302332231033
52102132103234412
651034424030051
74614621443530
oct770362765517
9213683213334
1067709430607
1126796232415
1211157902327
136500a24b50
1433c4720687
151b644a37a7
hexfc3cbeb4f

67709430607 has 32 divisors (see below), whose sum is σ = 87674638464. Its totient is φ = 50852966400.

The previous prime is 67709430589. The next prime is 67709430707. The reversal of 67709430607 is 70603490776.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67709430607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67709430007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107194 + ... + 383287.

It is an arithmetic number, because the mean of its divisors is an integer number (2739832452).

Almost surely, 267709430607 is an apocalyptic number.

67709430607 is a deficient number, since it is larger than the sum of its proper divisors (19965207857).

67709430607 is a wasteful number, since it uses less digits than its factorization.

67709430607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490579.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 67709430607 in words is "sixty-seven billion, seven hundred nine million, four hundred thirty thousand, six hundred seven".

Divisors: 1 7 13 37 41 91 259 287 481 533 1517 3367 3731 10619 19721 138047 490481 3433367 6376253 18147797 20109721 44633771 127034579 140768047 235921361 261426373 744059677 1651449527 1829984611 5208417739 9672775801 67709430607