Base | Representation |
---|---|
bin | 100000011100111011… |
… | …0000010010000000011 |
3 | 20122212210220220200121 |
4 | 1000321312002100003 |
5 | 2120211111134133 |
6 | 52003133201111 |
7 | 5014660512340 |
oct | 1007166022003 |
9 | 218783826617 |
10 | 69689943043 |
11 | 27612179756 |
12 | 1160b030197 |
13 | 67581380b6 |
14 | 35317857c7 |
15 | 1c2d2b702d |
hex | 1039d82403 |
69689943043 has 8 divisors (see below), whose sum is σ = 80272781312. Its totient is φ = 59263887816.
The previous prime is 69689942977. The next prime is 69689943047. The reversal of 69689943043 is 34034998696.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69689943043 - 221 = 69687845891 is a prime.
It is a super-2 number, since 2×696899430432 (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 (69689943047) 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, 39194805 + ... + 39196582.
It is an arithmetic number, because the mean of its divisors is an integer number (10034097664).
Almost surely, 269689943043 is an apocalyptic number.
69689943043 is a deficient number, since it is larger than the sum of its proper divisors (10582838269).
69689943043 is a wasteful number, since it uses less digits than its factorization.
69689943043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78391521.
The product of its (nonzero) digits is 30233088, while the sum is 61.
The spelling of 69689943043 in words is "sixty-nine billion, six hundred eighty-nine million, nine hundred forty-three thousand, forty-three".
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