Base | Representation |
---|---|
bin | 1000011011101011110… |
… | …1011000100010001100 |
3 | 111211221021112200111222 |
4 | 2012322331120202030 |
5 | 4333143331333340 |
6 | 150315211102512 |
7 | 13316012364101 |
oct | 2067275304214 |
9 | 454837480458 |
10 | 144870574220 |
11 | 56491731699 |
12 | 240b0a41a38 |
13 | 10879976588 |
14 | 702443caa8 |
15 | 3b7d60e8b5 |
hex | 21baf5888c |
144870574220 has 24 divisors (see below), whose sum is σ = 304295896464. Its totient is φ = 57935336256.
The previous prime is 144870574183. The next prime is 144870574271. The reversal of 144870574220 is 22475078441.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713447 + ... + 893726.
It is an arithmetic number, because the mean of its divisors is an integer number (12678995686).
Almost surely, 2144870574220 is an apocalyptic number.
144870574220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144870574220 is an abundant number, since it is smaller than the sum of its proper divisors (159425322244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144870574220 is a wasteful number, since it uses less digits than its factorization.
144870574220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1611689 (or 1611687 counting only the distinct ones).
The product of its (nonzero) digits is 501760, while the sum is 44.
The spelling of 144870574220 in words is "one hundred forty-four billion, eight hundred seventy million, five hundred seventy-four thousand, two hundred twenty".
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