Base | Representation |
---|---|
bin | 1000011101110110011… |
… | …0000000110110010100 |
3 | 111220102202221102020220 |
4 | 2013131212000312110 |
5 | 4340341110303302 |
6 | 150453005354340 |
7 | 13336266425643 |
oct | 2073546006624 |
9 | 456382842226 |
10 | 145451650452 |
11 | 5675a734889 |
12 | 242335689b0 |
13 | 10940177874 |
14 | 707b69b35a |
15 | 3bb46404bc |
hex | 21dd980d94 |
145451650452 has 48 divisors (see below), whose sum is σ = 344733480000. Its totient is φ = 47721307392.
The previous prime is 145451650427. The next prime is 145451650457. The reversal of 145451650452 is 254056154541.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145451650457) 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 15 ways as a sum of consecutive naturals, for example, 921424 + ... + 1067672.
It is an arithmetic number, because the mean of its divisors is an integer number (7181947500).
Almost surely, 2145451650452 is an apocalyptic number.
145451650452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145451650452 is an abundant number, since it is smaller than the sum of its proper divisors (199281829548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145451650452 is a wasteful number, since it uses less digits than its factorization.
145451650452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147560 (or 147558 counting only the distinct ones).
The product of its (nonzero) digits is 480000, while the sum is 42.
The spelling of 145451650452 in words is "one hundred forty-five billion, four hundred fifty-one million, six hundred fifty thousand, four hundred fifty-two".
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