Base | Representation |
---|---|
bin | 10001010011101… |
… | …00100101011000 |
3 | 101010011221220200 |
4 | 20221310211120 |
5 | 244131243031 |
6 | 22223422200 |
7 | 3412006161 |
oct | 1051644530 |
9 | 333157820 |
10 | 145181016 |
11 | 74a50712 |
12 | 40754960 |
13 | 24102636 |
14 | 153d2768 |
15 | cb2b8e6 |
hex | 8a74958 |
145181016 has 24 divisors (see below), whose sum is σ = 393198780. Its totient is φ = 48393648.
The previous prime is 145181009. The next prime is 145181039. The reversal of 145181016 is 610181541.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1008130 + ... + 1008273.
Almost surely, 2145181016 is an apocalyptic number.
It is an amenable number.
145181016 is an abundant number, since it is smaller than the sum of its proper divisors (248017764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145181016 is a wasteful number, since it uses less digits than its factorization.
145181016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2016415 (or 2016408 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 27.
The square root of 145181016 is about 12049.1085147408. The cubic root of 145181016 is about 525.5773132275.
The spelling of 145181016 in words is "one hundred forty-five million, one hundred eighty-one thousand, sixteen".
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