Base | Representation |
---|---|
bin | 101011110101000101… |
… | …100110111011101111 |
3 | 11111110210122000012102 |
4 | 223311011212323233 |
5 | 1232340224423241 |
6 | 33341512325315 |
7 | 3254141445260 |
oct | 536505467357 |
9 | 144423560172 |
10 | 47061561071 |
11 | 18a6002a428 |
12 | 91549a383b |
13 | 4590060b75 |
14 | 23c6390967 |
15 | 135691139b |
hex | af5166eef |
47061561071 has 32 divisors (see below), whose sum is σ = 55991255040. Its totient is φ = 38716828416.
The previous prime is 47061561031. The next prime is 47061561109. The reversal of 47061561071 is 17016516074.
It is a de Polignac number, because none of the positive numbers 2k-47061561071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47061561031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5883851 + ... + 5891843.
It is an arithmetic number, because the mean of its divisors is an integer number (1749726720).
Almost surely, 247061561071 is an apocalyptic number.
47061561071 is a deficient number, since it is larger than the sum of its proper divisors (8929693969).
47061561071 is a wasteful number, since it uses less digits than its factorization.
47061561071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8343.
The product of its (nonzero) digits is 35280, while the sum is 38.
The spelling of 47061561071 in words is "forty-seven billion, sixty-one million, five hundred sixty-one thousand, seventy-one".
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