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69091242289 = 599288739953
BaseRepresentation
bin100000001011000101…
…0001011000100110001
320121100002100202122121
41000112022023010301
52112444324223124
651423505034241
74664100604156
oct1002612130461
9217302322577
1069091242289
1127335228a43
1211482625981
1366910a59b4
1434b605a22d
151be59542e4
hex101628b131

69091242289 has 8 divisors (see below), whose sum is σ = 69232291200. Its totient is φ = 68950280256.

The previous prime is 69091242271. The next prime is 69091242293. The reversal of 69091242289 is 98224219096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69091242289 - 215 = 69091209521 is a prime.

It is a super-2 number, since 2×690912422892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69091242239) 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 7 ways as a sum of consecutive naturals, for example, 1709337 + ... + 1749289.

It is an arithmetic number, because the mean of its divisors is an integer number (8654036400).

Almost surely, 269091242289 is an apocalyptic number.

It is an amenable number.

69091242289 is a deficient number, since it is larger than the sum of its proper divisors (141048911).

69091242289 is a wasteful number, since it uses less digits than its factorization.

69091242289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43439.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 69091242289 in words is "sixty-nine billion, ninety-one million, two hundred forty-two thousand, two hundred eighty-nine".

Divisors: 1 599 2887 39953 1729313 23931847 115344311 69091242289