Base | Representation |
---|---|
bin | 1000011110100101000… |
… | …1011000110010010010 |
3 | 111220221102121011102220 |
4 | 2013221101120302102 |
5 | 4341241234220231 |
6 | 150524244521510 |
7 | 13344165630105 |
oct | 2075121306222 |
9 | 456842534386 |
10 | 145647570066 |
11 | 56850290119 |
12 | 242890b0296 |
13 | 1097193382b |
14 | 70996da73c |
15 | 3bc6940896 |
hex | 21e9458c92 |
145647570066 has 8 divisors (see below), whose sum is σ = 291295140144. Its totient is φ = 48549190020.
The previous prime is 145647569999. The next prime is 145647570067. The reversal of 145647570066 is 660075746541.
It is a sphenic number, since it is the product of 3 distinct primes.
145647570066 is an admirable number.
It is a super-2 number, since 2×1456475700662 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145647570067) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12137297500 + ... + 12137297511.
It is an arithmetic number, because the mean of its divisors is an integer number (36411892518).
Almost surely, 2145647570066 is an apocalyptic number.
145647570066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145647570066 is a wasteful number, since it uses less digits than its factorization.
145647570066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24274595016.
The product of its (nonzero) digits is 4233600, while the sum is 51.
The spelling of 145647570066 in words is "one hundred forty-five billion, six hundred forty-seven million, five hundred seventy thousand, sixty-six".
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