Base | Representation |
---|---|
bin | 100110000000000… |
… | …1001101100001001 |
3 | 10021212100012111010 |
4 | 1030000021230021 |
5 | 10102411424410 |
6 | 330305554133 |
7 | 43412145225 |
oct | 11400115411 |
9 | 3255305433 |
10 | 1275108105 |
11 | 5a4846657 |
12 | 2b7045949 |
13 | 17423104b |
14 | c14c1785 |
15 | 76e24c20 |
hex | 4c009b09 |
1275108105 has 32 divisors (see below), whose sum is σ = 2119455360. Its totient is φ = 653829120.
The previous prime is 1275108053. The next prime is 1275108113. The reversal of 1275108105 is 5018015721.
It is not a de Polignac number, because 1275108105 - 212 = 1275104009 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98754 + ... + 110916.
It is an arithmetic number, because the mean of its divisors is an integer number (66232980).
Almost surely, 21275108105 is an apocalyptic number.
1275108105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1275108105 is a deficient number, since it is larger than the sum of its proper divisors (844347255).
1275108105 is a wasteful number, since it uses less digits than its factorization.
1275108105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12441.
The product of its (nonzero) digits is 2800, while the sum is 30.
The square root of 1275108105 is about 35708.6558834129. The cubic root of 1275108105 is about 1084.3820885074.
The spelling of 1275108105 in words is "one billion, two hundred seventy-five million, one hundred eight thousand, one hundred five".
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