Base | Representation |
---|---|
bin | 1001011001011100010… |
… | …0011010011100110110 |
3 | 120102201121110201222220 |
4 | 2112113010122130312 |
5 | 10121121231301421 |
6 | 202100205303210 |
7 | 14443560651045 |
oct | 2262704323466 |
9 | 512647421886 |
10 | 161448306486 |
11 | 625193a6275 |
12 | 27358864b06 |
13 | 122bc32c9cc |
14 | 7b57ddc55c |
15 | 42edbc53c6 |
hex | 259711a736 |
161448306486 has 16 divisors (see below), whose sum is σ = 328989002544. Its totient is φ = 52800703904.
The previous prime is 161448306479. The next prime is 161448306499. The reversal of 161448306486 is 684603844161.
161448306486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253849221 + ... + 253849856.
It is an arithmetic number, because the mean of its divisors is an integer number (20561812659).
Almost surely, 2161448306486 is an apocalyptic number.
161448306486 is an abundant number, since it is smaller than the sum of its proper divisors (167540696058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161448306486 is a wasteful number, since it uses less digits than its factorization.
161448306486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 507699135.
The product of its (nonzero) digits is 2654208, while the sum is 51.
The spelling of 161448306486 in words is "one hundred sixty-one billion, four hundred forty-eight million, three hundred six thousand, four hundred eighty-six".
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