Base | Representation |
---|---|
bin | 111111110100010… |
… | …010100100100001 |
3 | 2202121122210002111 |
4 | 333310102210201 |
5 | 4143043002121 |
6 | 254124115321 |
7 | 35350364116 |
oct | 7764224441 |
9 | 2677583074 |
10 | 1070672161 |
11 | 4aa403929 |
12 | 25a695b41 |
13 | 140a82930 |
14 | a22a690d |
15 | 63ee12e1 |
hex | 3fd12921 |
1070672161 has 8 divisors (see below), whose sum is σ = 1154024424. Its totient is φ = 987461760.
The previous prime is 1070672159. The next prime is 1070672167. The reversal of 1070672161 is 1612760701.
1070672161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 197824225 + 872847936 = 14065^2 + 29544^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1070672161 - 21 = 1070672159 is a prime.
It is a super-2 number, since 2×10706721612 = 2292677752680819842, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1070672167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19516 + ... + 50221.
It is an arithmetic number, because the mean of its divisors is an integer number (144253053).
Almost surely, 21070672161 is an apocalyptic number.
It is an amenable number.
1070672161 is a deficient number, since it is larger than the sum of its proper divisors (83352263).
1070672161 is a wasteful number, since it uses less digits than its factorization.
1070672161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70931.
The product of its (nonzero) digits is 3528, while the sum is 31.
The square root of 1070672161 is about 32721.1271352318. The cubic root of 1070672161 is about 1023.0232490264.
The spelling of 1070672161 in words is "one billion, seventy million, six hundred seventy-two thousand, one hundred sixty-one".
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