Base | Representation |
---|---|
bin | 1000011111101000011… |
… | …1100111010010110000 |
3 | 111221200010110022020122 |
4 | 2013322013213102300 |
5 | 4342331114030340 |
6 | 151012303025412 |
7 | 13354200260354 |
oct | 2077207472260 |
9 | 457603408218 |
10 | 145930220720 |
11 | 569858947a9 |
12 | 2434789b268 |
13 | 109b836883b |
14 | 70c5075464 |
15 | 3be1673db5 |
hex | 21fa1e74b0 |
145930220720 has 40 divisors (see below), whose sum is σ = 339465478176. Its totient is φ = 58341513728.
The previous prime is 145930220707. The next prime is 145930220731. The reversal of 145930220720 is 27022039541.
It is a happy number.
145930220720 is digitally balanced in base 2 and base 3, because in such bases 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 (40).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323732 + ... + 629811.
Almost surely, 2145930220720 is an apocalyptic number.
145930220720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145930220720 is an abundant number, since it is smaller than the sum of its proper divisors (193535257456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145930220720 is a wasteful number, since it uses less digits than its factorization.
145930220720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 955469 (or 955463 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 35.
The spelling of 145930220720 in words is "one hundred forty-five billion, nine hundred thirty million, two hundred twenty thousand, seven hundred twenty".
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