Base | Representation |
---|---|
bin | 1000011111010100001… |
… | …0001010110100011100 |
3 | 111221110011220221020001 |
4 | 2013311002022310130 |
5 | 4342142244013132 |
6 | 151000014304044 |
7 | 13352113154230 |
oct | 2076502126434 |
9 | 457404827201 |
10 | 145844907292 |
11 | 56941714537 |
12 | 243231b8024 |
13 | 109a3797b16 |
14 | 70b79c85c0 |
15 | 3bd8e20ce7 |
hex | 21f508ad1c |
145844907292 has 24 divisors (see below), whose sum is σ = 291768835680. Its totient is φ = 62488027200.
The previous prime is 145844907253. The next prime is 145844907323. The reversal of 145844907292 is 292709448541.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 600067 + ... + 807322.
It is an arithmetic number, because the mean of its divisors is an integer number (12157034820).
Almost surely, 2145844907292 is an apocalyptic number.
It is an amenable number.
145844907292 is an abundant number, since it is smaller than the sum of its proper divisors (145923928388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145844907292 is a wasteful number, since it uses less digits than its factorization.
145844907292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1411101 (or 1411099 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 55.
The spelling of 145844907292 in words is "one hundred forty-five billion, eight hundred forty-four million, nine hundred seven thousand, two hundred ninety-two".
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