Base | Representation |
---|---|
bin | 1001010101101100111… |
… | …1000000110010001100 |
3 | 120100010122112122111101 |
4 | 2111123033000302030 |
5 | 10112042234430410 |
6 | 201412425232444 |
7 | 14406651224401 |
oct | 2253317006214 |
9 | 510118478441 |
10 | 160444451980 |
11 | 6205378a54a |
12 | 27118632724 |
13 | 1218c373267 |
14 | 7aa096a2a8 |
15 | 42909d1d3a |
hex | 255b3c0c8c |
160444451980 has 96 divisors (see below), whose sum is σ = 366703267392. Its totient is φ = 58720665600.
The previous prime is 160444451953. The next prime is 160444452011. The reversal of 160444451980 is 89154444061.
It is a super-3 number, since 3×1604444519803 (a number of 35 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 160444451980.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17116695 + ... + 17126065.
It is an arithmetic number, because the mean of its divisors is an integer number (3819825702).
Almost surely, 2160444451980 is an apocalyptic number.
160444451980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 160444451980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183351633696).
160444451980 is an abundant number, since it is smaller than the sum of its proper divisors (206258815412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
160444451980 is a wasteful number, since it uses less digits than its factorization.
160444451980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10795 (or 10793 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 46.
The spelling of 160444451980 in words is "one hundred sixty billion, four hundred forty-four million, four hundred fifty-one thousand, nine hundred eighty".
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