Base | Representation |
---|---|
bin | 111111110100100… |
… | …100100101001011 |
3 | 2202121210112021201 |
4 | 333310210211023 |
5 | 4143102332211 |
6 | 254125445031 |
7 | 35351122153 |
oct | 7764444513 |
9 | 2677715251 |
10 | 1070745931 |
11 | 4aa4542a2 |
12 | 25a710777 |
13 | 140aaa398 |
14 | a22c5763 |
15 | 640080c1 |
hex | 3fd2494b |
1070745931 has 6 divisors (see below), whose sum is σ = 1127251140. Its totient is φ = 1014255756.
The previous prime is 1070745883. The next prime is 1070745937. The reversal of 1070745931 is 1395470701.
It is not a de Polignac number, because 1070745931 - 29 = 1070745419 is a prime.
It is a super-2 number, since 2×10707459312 = 2292993697506113522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1070745937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138880 + ... + 146386.
It is an arithmetic number, because the mean of its divisors is an integer number (187875190).
Almost surely, 21070745931 is an apocalyptic number.
1070745931 is a deficient number, since it is larger than the sum of its proper divisors (56505209).
1070745931 is an frugal number, since it uses more digits than its factorization.
1070745931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15033 (or 7526 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 37.
The square root of 1070745931 is about 32722.2543691598. The cubic root of 1070745931 is about 1023.0467441399.
The spelling of 1070745931 in words is "one billion, seventy million, seven hundred forty-five thousand, nine hundred thirty-one".
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