Base | Representation |
---|---|
bin | 1000010101100000011… |
… | …1010011011100100000 |
3 | 111200122201002002111200 |
4 | 2011120013103130200 |
5 | 4321244312333212 |
6 | 145442451041200 |
7 | 13226634605415 |
oct | 2053007233440 |
9 | 450581062450 |
10 | 143212230432 |
11 | 55810630437 |
12 | 239095a0200 |
13 | 1067422366b |
14 | 6d080bc10c |
15 | 3ad2c386dc |
hex | 21581d3720 |
143212230432 has 36 divisors (see below), whose sum is σ = 407259781110. Its totient is φ = 47737410048.
The previous prime is 143212230391. The next prime is 143212230443. The reversal of 143212230432 is 234032212341.
143212230432 is a `hidden beast` number, since 1 + 4 + 3 + 2 + 1 + 223 + 0 + 432 = 666.
It can be written as a sum of positive squares in only one way, i.e., 82619454096 + 60592776336 = 287436^2 + 246156^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 143212230396 and 143212230405.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248632057 + ... + 248632632.
Almost surely, 2143212230432 is an apocalyptic number.
143212230432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
143212230432 is an abundant number, since it is smaller than the sum of its proper divisors (264047550678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143212230432 is a wasteful number, since it uses less digits than its factorization.
143212230432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 497264705 (or 497264694 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 143212230432 its reverse (234032212341), we get a palindrome (377244442773).
The spelling of 143212230432 in words is "one hundred forty-three billion, two hundred twelve million, two hundred thirty thousand, four hundred thirty-two".
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