Base | Representation |
---|---|
bin | 110010010101110… |
… | …0001111111011001 |
3 | 11100201101211220010 |
4 | 1210223201333121 |
5 | 11424404224032 |
6 | 435335552133 |
7 | 56600252025 |
oct | 14453417731 |
9 | 4321354803 |
10 | 1689133017 |
11 | 797520700 |
12 | 3b182b649 |
13 | 20bc431c0 |
14 | 120497385 |
15 | 9d458ccc |
hex | 64ae1fd9 |
1689133017 has 48 divisors (see below), whose sum is σ = 2678062464. Its totient is φ = 940684800.
The previous prime is 1689133001. The next prime is 1689133021. The reversal of 1689133017 is 7103319861.
It is not a de Polignac number, because 1689133017 - 24 = 1689133001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (1689132017) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1240417 + ... + 1241777.
It is an arithmetic number, because the mean of its divisors is an integer number (55792968).
Almost surely, 21689133017 is an apocalyptic number.
It is an amenable number.
1689133017 is a deficient number, since it is larger than the sum of its proper divisors (988929447).
1689133017 is a wasteful number, since it uses less digits than its factorization.
1689133017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1662 (or 1651 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 39.
The square root of 1689133017 is about 41099.0634564828. The cubic root of 1689133017 is about 1190.9347026305.
The spelling of 1689133017 in words is "one billion, six hundred eighty-nine million, one hundred thirty-three thousand, seventeen".
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