Base | Representation |
---|---|
bin | 1001010111101110000… |
… | …1011001111011101010 |
3 | 120101112101211110220221 |
4 | 2111323201121323222 |
5 | 10114144423110430 |
6 | 201542255440254 |
7 | 14426246436013 |
oct | 2257341317352 |
9 | 511471743827 |
10 | 160986144490 |
11 | 62301533106 |
12 | 27249b2608a |
13 | 12247665382 |
14 | 7b1289600a |
15 | 42c333357a |
hex | 257b859eea |
160986144490 has 32 divisors (see below), whose sum is σ = 290879320896. Its totient is φ = 64149321600.
The previous prime is 160986144479. The next prime is 160986144491. The reversal of 160986144490 is 94441689061.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (160986144491) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5378065 + ... + 5407915.
It is an arithmetic number, because the mean of its divisors is an integer number (9089978778).
Almost surely, 2160986144490 is an apocalyptic number.
160986144490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
160986144490 is a deficient number, since it is larger than the sum of its proper divisors (129893176406).
160986144490 is a wasteful number, since it uses less digits than its factorization.
160986144490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31894.
The product of its (nonzero) digits is 1492992, while the sum is 52.
The spelling of 160986144490 in words is "one hundred sixty billion, nine hundred eighty-six million, one hundred forty-four thousand, four hundred ninety".
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