Base | Representation |
---|---|
bin | 111111110101110… |
… | …000000001010011 |
3 | 2202122101020011011 |
4 | 333311300001103 |
5 | 4143142224211 |
6 | 254140231351 |
7 | 35353550062 |
oct | 7765600123 |
9 | 2678336134 |
10 | 1071054931 |
11 | 4aa645471 |
12 | 25a83b557 |
13 | 140b87c1b |
14 | a23661d9 |
15 | 64069921 |
hex | 3fd70053 |
1071054931 has 8 divisors (see below), whose sum is σ = 1098717984. Its totient is φ = 1043465280.
The previous prime is 1071054917. The next prime is 1071054967. The reversal of 1071054931 is 1394501701.
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 1071054931 - 217 = 1070923859 is a prime.
It is a super-2 number, since 2×10710549312 = 2294317330438829522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1071054893 and 1071054902.
It is not an unprimeable number, because it can be changed into a prime (1071054031) 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, 11841 + ... + 47773.
It is an arithmetic number, because the mean of its divisors is an integer number (137339748).
Almost surely, 21071054931 is an apocalyptic number.
1071054931 is a deficient number, since it is larger than the sum of its proper divisors (27663053).
1071054931 is an equidigital number, since it uses as much as digits as its factorization.
1071054931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36701.
The product of its (nonzero) digits is 3780, while the sum is 31.
The square root of 1071054931 is about 32726.9755858986. The cubic root of 1071054931 is about 1023.1451462695.
The spelling of 1071054931 in words is "one billion, seventy-one million, fifty-four thousand, nine hundred thirty-one".
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