Base | Representation |
---|---|
bin | 1000011011101011110… |
… | …1011000100010001010 |
3 | 111211221021112200111220 |
4 | 2012322331120202022 |
5 | 4333143331333333 |
6 | 150315211102510 |
7 | 13316012364066 |
oct | 2067275304212 |
9 | 454837480456 |
10 | 144870574218 |
11 | 56491731697 |
12 | 240b0a41a36 |
13 | 10879976586 |
14 | 702443caa6 |
15 | 3b7d60e8b3 |
hex | 21baf5888a |
144870574218 has 24 divisors (see below), whose sum is σ = 300076752768. Its totient is φ = 46625010768.
The previous prime is 144870574183. The next prime is 144870574271. The reversal of 144870574218 is 812475078441.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14349946 + ... + 14360037.
It is an arithmetic number, because the mean of its divisors is an integer number (12503198032).
Almost surely, 2144870574218 is an apocalyptic number.
144870574218 is an abundant number, since it is smaller than the sum of its proper divisors (155206178550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144870574218 is a wasteful number, since it uses less digits than its factorization.
144870574218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28710046 (or 28710017 counting only the distinct ones).
The product of its (nonzero) digits is 2007040, while the sum is 51.
The spelling of 144870574218 in words is "one hundred forty-four billion, eight hundred seventy million, five hundred seventy-four thousand, two hundred eighteen".
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