Base | Representation |
---|---|
bin | 1000011101001000100… |
… | …1111010011100101110 |
3 | 111212221101211002111220 |
4 | 2013102021322130232 |
5 | 4334442443003310 |
6 | 150421552124210 |
7 | 13331446242120 |
oct | 2072211723456 |
9 | 455841732456 |
10 | 145259734830 |
11 | 56671373831 |
12 | 2419b236666 |
13 | 1090c491222 |
14 | 705ddc1210 |
15 | 3ba2881670 |
hex | 21d227a72e |
145259734830 has 32 divisors (see below), whose sum is σ = 398426701824. Its totient is φ = 33202225056.
The previous prime is 145259734787. The next prime is 145259734843. The reversal of 145259734830 is 38437952541.
145259734830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1452597348302 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 345856302 + ... + 345856721.
It is an arithmetic number, because the mean of its divisors is an integer number (12450834432).
Almost surely, 2145259734830 is an apocalyptic number.
145259734830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145259734830 is an abundant number, since it is smaller than the sum of its proper divisors (253166966994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145259734830 is a wasteful number, since it uses less digits than its factorization.
145259734830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 691713040.
The product of its (nonzero) digits is 3628800, while the sum is 51.
The spelling of 145259734830 in words is "one hundred forty-five billion, two hundred fifty-nine million, seven hundred thirty-four thousand, eight hundred thirty".
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