Base | Representation |
---|---|
bin | 100000001111000… |
… | …1111010110011001 |
3 | 2210101100110221110 |
4 | 1000132033112121 |
5 | 4203401402032 |
6 | 255155530533 |
7 | 35543014662 |
oct | 10036172631 |
9 | 2711313843 |
10 | 1081669017 |
11 | 505634a40 |
12 | 2622b9a49 |
13 | 143133150 |
14 | a392a369 |
15 | 64e647cc |
hex | 4078f599 |
1081669017 has 16 divisors (see below), whose sum is σ = 1694363328. Its totient is φ = 605129280.
The previous prime is 1081668961. The next prime is 1081669037. The reversal of 1081669017 is 7109661801.
It is not a de Polignac number, because 1081669017 - 26 = 1081668953 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 (1081669037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260258 + ... + 1261115.
It is an arithmetic number, because the mean of its divisors is an integer number (105897708).
Almost surely, 21081669017 is an apocalyptic number.
It is an amenable number.
1081669017 is a deficient number, since it is larger than the sum of its proper divisors (612694311).
1081669017 is a wasteful number, since it uses less digits than its factorization.
1081669017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2521400.
The product of its (nonzero) digits is 18144, while the sum is 39.
The square root of 1081669017 is about 32888.7369322691. The cubic root of 1081669017 is about 1026.5138106021.
The spelling of 1081669017 in words is "one billion, eighty-one million, six hundred sixty-nine thousand, seventeen".
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