Base | Representation |
---|---|
bin | 1000010101011110011… |
… | …0000000111101110110 |
3 | 111200122002122202002010 |
4 | 2011113212000331312 |
5 | 4321240044111430 |
6 | 145441540025050 |
7 | 13226500462041 |
oct | 2052746007566 |
9 | 450562582063 |
10 | 143203503990 |
11 | 558067100a8 |
12 | 23906692186 |
13 | 106724896a1 |
14 | 6d06c89c58 |
15 | 3ad20b2cb0 |
hex | 2157980f76 |
143203503990 has 32 divisors (see below), whose sum is σ = 352071056736. Its totient is φ = 37256195840.
The previous prime is 143203503979. The next prime is 143203503997. The reversal of 143203503990 is 99305302341.
143203503990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143203503997) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58211577 + ... + 58214036.
It is an arithmetic number, because the mean of its divisors is an integer number (11002220523).
Almost surely, 2143203503990 is an apocalyptic number.
143203503990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143203503990 is an abundant number, since it is smaller than the sum of its proper divisors (208867552746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143203503990 is a wasteful number, since it uses less digits than its factorization.
143203503990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116425664.
The product of its (nonzero) digits is 87480, while the sum is 39.
The spelling of 143203503990 in words is "one hundred forty-three billion, two hundred three million, five hundred three thousand, nine hundred ninety".
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