Base | Representation |
---|---|
bin | 10001010101101… |
… | …11011110100100 |
3 | 101010200212202200 |
4 | 20222313132210 |
5 | 244214030022 |
6 | 22233334500 |
7 | 3414230043 |
oct | 1052673644 |
9 | 333625680 |
10 | 145455012 |
11 | 7511855a |
12 | 40867430 |
13 | 2419a271 |
14 | 1546455a |
15 | cb82bac |
hex | 8ab77a4 |
145455012 has 36 divisors (see below), whose sum is σ = 368593680. Its totient is φ = 48364272.
The previous prime is 145454999. The next prime is 145455031. The reversal of 145455012 is 210554541.
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10263 + ... + 19905.
Almost surely, 2145455012 is an apocalyptic number.
145455012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145455012 is an abundant number, since it is smaller than the sum of its proper divisors (223138668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145455012 is a wasteful number, since it uses less digits than its factorization.
145455012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10072 (or 10067 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 145455012 is about 12060.4731250478. The cubic root of 145455012 is about 525.9077411477.
The spelling of 145455012 in words is "one hundred forty-five million, four hundred fifty-five thousand, twelve".
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