Base | Representation |
---|---|
bin | 1000011000011010101… |
… | …0010001011110101000 |
3 | 111202200010111212212122 |
4 | 2012012222101132220 |
5 | 4324344221234402 |
6 | 150052144530412 |
7 | 13255166401103 |
oct | 2060652213650 |
9 | 452603455778 |
10 | 143993149352 |
11 | 56081419378 |
12 | 23aa7020a08 |
13 | 10769c55470 |
14 | 6d7dabb73a |
15 | 3b2b591ca2 |
hex | 2186a917a8 |
143993149352 has 128 divisors (see below), whose sum is σ = 329378918400. Its totient is φ = 58284748800.
The previous prime is 143993149351. The next prime is 143993149357. The reversal of 143993149352 is 253941399341.
It is a junction number, because it is equal to n+sod(n) for n = 143993149294 and 143993149303.
It is not an unprimeable number, because it can be changed into a prime (143993149351) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2013977 + ... + 2084247.
It is an arithmetic number, because the mean of its divisors is an integer number (2573272800).
Almost surely, 2143993149352 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143993149352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164689459200).
143993149352 is an abundant number, since it is smaller than the sum of its proper divisors (185385769048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143993149352 is a wasteful number, since it uses less digits than its factorization.
143993149352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70387 (or 70383 counting only the distinct ones).
The product of its digits is 3149280, while the sum is 53.
The spelling of 143993149352 in words is "one hundred forty-three billion, nine hundred ninety-three million, one hundred forty-nine thousand, three hundred fifty-two".
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