Base | Representation |
---|---|
bin | 10001011000011… |
… | …01011010100011 |
3 | 101011100202121200 |
4 | 20230031122203 |
5 | 244311311021 |
6 | 22245052243 |
7 | 3420224220 |
oct | 1054153243 |
9 | 334322550 |
10 | 145807011 |
11 | 75338a69 |
12 | 409b7083 |
13 | 2429154c |
14 | 15516947 |
15 | cc02126 |
hex | 8b0d6a3 |
145807011 has 48 divisors (see below), whose sum is σ = 257400000. Its totient is φ = 77635584.
The previous prime is 145807001. The next prime is 145807031. The reversal of 145807011 is 110708541.
145807011 is a `hidden beast` number, since 1 + 4 + 580 + 70 + 11 = 666.
It is not a de Polignac number, because 145807011 - 25 = 145806979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145807001) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 116115 + ... + 117363.
It is an arithmetic number, because the mean of its divisors is an integer number (5362500).
Almost surely, 2145807011 is an apocalyptic number.
145807011 is a deficient number, since it is larger than the sum of its proper divisors (111592989).
145807011 is a wasteful number, since it uses less digits than its factorization.
145807011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1388 (or 1385 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 27.
The square root of 145807011 is about 12075.0573911680. The cubic root of 145807011 is about 526.3316290758.
The spelling of 145807011 in words is "one hundred forty-five million, eight hundred seven thousand, eleven".
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