Base | Representation |
---|---|
bin | 100000000101000… |
… | …1110000111110001 |
3 | 2210000110212011100 |
4 | 1000022032013301 |
5 | 4201030433410 |
6 | 254451235013 |
7 | 35450266644 |
oct | 10012160761 |
9 | 2700425140 |
10 | 1076421105 |
11 | 502680121 |
12 | 2605a8a69 |
13 | 142016586 |
14 | a2d61a5b |
15 | 647798c0 |
hex | 4028e1f1 |
1076421105 has 24 divisors (see below), whose sum is σ = 1880049600. Its totient is φ = 569705760.
The previous prime is 1076421103. The next prime is 1076421109. The reversal of 1076421105 is 5011246701.
It is a happy number.
1076421105 is a `hidden beast` number, since 1 + 0 + 7 + 642 + 1 + 10 + 5 = 666.
It is not a de Polignac number, because 1076421105 - 21 = 1076421103 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1076421103) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85405 + ... + 97194.
It is an arithmetic number, because the mean of its divisors is an integer number (78335400).
Almost surely, 21076421105 is an apocalyptic number.
1076421105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1076421105 is a deficient number, since it is larger than the sum of its proper divisors (803628495).
1076421105 is a wasteful number, since it uses less digits than its factorization.
1076421105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182741 (or 182738 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 1076421105 is about 32808.8571120666. The cubic root of 1076421105 is about 1024.8510130469.
Adding to 1076421105 its reverse (5011246701), we get a palindrome (6087667806).
The spelling of 1076421105 in words is "one billion, seventy-six million, four hundred twenty-one thousand, one hundred five".
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