Base | Representation |
---|---|
bin | 100100101000111110001000… |
… | …001110000000110001001000 |
3 | 210010120022211111120212110101 |
4 | 210220332020032000301020 |
5 | 132110200243304300120 |
6 | 1330421022134055144 |
7 | 45641232241160050 |
oct | 4450761016006110 |
9 | 703508744525411 |
10 | 161145163353160 |
11 | 47389309737a28 |
12 | 160a70191aa4b4 |
13 | 6bbbc014a65bc |
14 | 2bb1678c44560 |
15 | 1396b4ec7c90a |
hex | 928f88380c48 |
161145163353160 has 32 divisors (see below), whose sum is σ = 414373277194560. Its totient is φ = 55249770292416.
The previous prime is 161145163353089. The next prime is 161145163353211. The reversal of 161145163353160 is 61353361541161.
It is a self number, because there is not a number n which added to its sum of digits gives 161145163353160.
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 7 ways as a sum of consecutive naturals, for example, 287759219994 + ... + 287759220553.
It is an arithmetic number, because the mean of its divisors is an integer number (12949164912330).
Almost surely, 2161145163353160 is an apocalyptic number.
161145163353160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
161145163353160 is an abundant number, since it is smaller than the sum of its proper divisors (253228113841400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161145163353160 is a wasteful number, since it uses less digits than its factorization.
161145163353160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 575518440565 (or 575518440561 counting only the distinct ones).
The product of its (nonzero) digits is 583200, while the sum is 46.
The spelling of 161145163353160 in words is "one hundred sixty-one trillion, one hundred forty-five billion, one hundred sixty-three million, three hundred fifty-three thousand, one hundred sixty".
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