Base | Representation |
---|---|
bin | 111111110111101… |
… | …001011000101111 |
3 | 2202200022111001212 |
4 | 333313221120233 |
5 | 4143304131142 |
6 | 254155025035 |
7 | 35361020306 |
oct | 7767513057 |
9 | 2680274055 |
10 | 1071552047 |
11 | 4aa954a05 |
12 | 25aa3b17b |
13 | 141000287 |
14 | a245543d |
15 | 64116d82 |
hex | 3fde962f |
1071552047 has 8 divisors (see below), whose sum is σ = 1090003152. Its totient is φ = 1053129600.
The previous prime is 1071552029. The next prime is 1071552071. The reversal of 1071552047 is 7402551701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1071552047 is a prime.
It is a super-2 number, since 2×10715520472 = 2296447578859780418, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1071512047) 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, 76568 + ... + 89474.
It is an arithmetic number, because the mean of its divisors is an integer number (136250394).
Almost surely, 21071552047 is an apocalyptic number.
1071552047 is a deficient number, since it is larger than the sum of its proper divisors (18451105).
1071552047 is a wasteful number, since it uses less digits than its factorization.
1071552047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14329.
The product of its (nonzero) digits is 9800, while the sum is 32.
The square root of 1071552047 is about 32734.5696015695. The cubic root of 1071552047 is about 1023.3034148880.
The spelling of 1071552047 in words is "one billion, seventy-one million, five hundred fifty-two thousand, forty-seven".
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