Base | Representation |
---|---|
bin | 10011001101000… |
… | …11101011100000 |
3 | 102020010212011111 |
4 | 21212203223200 |
5 | 312220240220 |
6 | 23552553104 |
7 | 3664230523 |
oct | 1146435340 |
9 | 366125144 |
10 | 161102560 |
11 | 82a35813 |
12 | 45b52794 |
13 | 274b8578 |
14 | 17578bba |
15 | e22415a |
hex | 99a3ae0 |
161102560 has 24 divisors (see below), whose sum is σ = 380605176. Its totient is φ = 64440960.
The previous prime is 161102533. The next prime is 161102587. The reversal of 161102560 is 65201161.
It is an interprime number because it is at equal distance from previous prime (161102533) and next prime (161102587).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503286 + ... + 503605.
It is an arithmetic number, because the mean of its divisors is an integer number (15858549).
Almost surely, 2161102560 is an apocalyptic number.
161102560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
161102560 is an abundant number, since it is smaller than the sum of its proper divisors (219502616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161102560 is a wasteful number, since it uses less digits than its factorization.
161102560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006906 (or 1006898 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 161102560 is about 12692.6183272011. The cubic root of 161102560 is about 544.1276733207.
The spelling of 161102560 in words is "one hundred sixty-one million, one hundred two thousand, five hundred sixty".
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