Base | Representation |
---|---|
bin | 10011001100101… |
… | …11011100101111 |
3 | 102020001022110001 |
4 | 21212113130233 |
5 | 312212134323 |
6 | 23551525131 |
7 | 3663631465 |
oct | 1146273457 |
9 | 366038401 |
10 | 161052463 |
11 | 82a01110 |
12 | 45b297a7 |
13 | 2749b820 |
14 | 17564835 |
15 | e2143ad |
hex | 999772f |
161052463 has 24 divisors (see below), whose sum is σ = 197885520. Its totient is φ = 129212160.
The previous prime is 161052433. The next prime is 161052473. The reversal of 161052463 is 364250161.
It is not a de Polignac number, because 161052463 - 225 = 127498031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161052403) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 74583 + ... + 76711.
It is an arithmetic number, because the mean of its divisors is an integer number (8245230).
Almost surely, 2161052463 is an apocalyptic number.
161052463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
161052463 is a deficient number, since it is larger than the sum of its proper divisors (36833057).
161052463 is a wasteful number, since it uses less digits than its factorization.
161052463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2199 (or 2176 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 161052463 is about 12690.6447038754. The cubic root of 161052463 is about 544.0712662095.
The spelling of 161052463 in words is "one hundred sixty-one million, fifty-two thousand, four hundred sixty-three".
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