Base | Representation |
---|---|
bin | 1000010101100000101… |
… | …1110001000010101000 |
3 | 111200122210021112011121 |
4 | 2011120023301002220 |
5 | 4321300112301412 |
6 | 145442532105024 |
7 | 13226650550050 |
oct | 2053013610250 |
9 | 450583245147 |
10 | 143213400232 |
11 | 5581125a311 |
12 | 23909a65174 |
13 | 10674542c56 |
14 | 6d08304560 |
15 | 3ad2dba107 |
hex | 21582f10a8 |
143213400232 has 32 divisors (see below), whose sum is σ = 306898413120. Its totient is φ = 61374660480.
The previous prime is 143213400227. The next prime is 143213400233. The reversal of 143213400232 is 232004312341.
It is a super-2 number, since 2×1432134002322 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 143213400197 and 143213400206.
It is not an unprimeable number, because it can be changed into a prime (143213400233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2146723 + ... + 2212429.
It is an arithmetic number, because the mean of its divisors is an integer number (9590575410).
Almost surely, 2143213400232 is an apocalyptic number.
It is an amenable number.
143213400232 is an abundant number, since it is smaller than the sum of its proper divisors (163685012888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143213400232 is a wasteful number, since it uses less digits than its factorization.
143213400232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104641 (or 104637 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 143213400232 its reverse (232004312341), we get a palindrome (375217712573).
The spelling of 143213400232 in words is "one hundred forty-three billion, two hundred thirteen million, four hundred thousand, two hundred thirty-two".
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