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69008166241 = 7643142910729
BaseRepresentation
bin100000001000100110…
…1010000110101100001
320121010022001001201221
41000101031100311201
52112312042304431
651411340255041
74662041510020
oct1002115206541
9217108031657
1069008166241
11272a2346753
121145a841481
136679b09481
1434a8dd28b7
151bdd4e4111
hex1011350d61

69008166241 has 16 divisors (see below), whose sum is σ = 79051772800. Its totient is φ = 59011037568.

The previous prime is 69008166239. The next prime is 69008166259. The reversal of 69008166241 is 14266180096.

It is not a de Polignac number, because 69008166241 - 21 = 69008166239 is a prime.

It is a super-3 number, since 3×690081662413 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (69008166641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6426565 + ... + 6437293.

It is an arithmetic number, because the mean of its divisors is an integer number (4940735800).

Almost surely, 269008166241 is an apocalyptic number.

It is an amenable number.

69008166241 is a deficient number, since it is larger than the sum of its proper divisors (10043606559).

69008166241 is a wasteful number, since it uses less digits than its factorization.

69008166241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 69008166241 in words is "sixty-nine billion, eight million, one hundred sixty-six thousand, two hundred forty-one".

Divisors: 1 7 643 1429 4501 10003 10729 75103 918847 6431929 6898747 15331741 48291229 107322187 9858309463 69008166241