Base | Representation |
---|---|
bin | 1000011110011011101… |
… | …1000001110010100000 |
3 | 111220211200102122010200 |
4 | 2013212323001302200 |
5 | 4341201141414042 |
6 | 150520320025200 |
7 | 13343206614210 |
oct | 2074673016240 |
9 | 456750378120 |
10 | 145608154272 |
11 | 56830009489 |
12 | 24277a62200 |
13 | 10966712b89 |
14 | 709439a240 |
15 | 3bc3256c4c |
hex | 21e6ec1ca0 |
145608154272 has 72 divisors (see below), whose sum is σ = 473226507936. Its totient is φ = 41602329216.
The previous prime is 145608154267. The next prime is 145608154283. The reversal of 145608154272 is 272451806541.
145608154272 is a `hidden beast` number, since 1 + 4 + 5 + 608 + 15 + 4 + 27 + 2 = 666.
145608154272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (72).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 36111118 + ... + 36115149.
It is an arithmetic number, because the mean of its divisors is an integer number (6572590388).
Almost surely, 2145608154272 is an apocalyptic number.
145608154272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145608154272 is an abundant number, since it is smaller than the sum of its proper divisors (327618353664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145608154272 is a wasteful number, since it uses less digits than its factorization.
145608154272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72226290 (or 72226279 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 45.
The spelling of 145608154272 in words is "one hundred forty-five billion, six hundred eight million, one hundred fifty-four thousand, two hundred seventy-two".
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