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143203409804 = 22713393415961
BaseRepresentation
bin1000010101011110010…
…1101001111110001100
3111200122002110221212202
42011113211221332030
54321240033103204
6145441534021032
713226466620330
oct2052745517614
9450562427782
10143203409804
1155806656364
1223906647778
1310672455860
146d06c637c0
153ad2094e1e
hex2157969f8c

143203409804 has 24 divisors (see below), whose sum is σ = 308438114208. Its totient is φ = 56651898240.

The previous prime is 143203409759. The next prime is 143203409809. The reversal of 143203409804 is 408904302341.

It is not an unprimeable number, because it can be changed into a prime (143203409809) 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, 196707617 + ... + 196708344.

It is an arithmetic number, because the mean of its divisors is an integer number (12851588092).

Almost surely, 2143203409804 is an apocalyptic number.

143203409804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

143203409804 is an abundant number, since it is smaller than the sum of its proper divisors (165234704404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143203409804 is a wasteful number, since it uses less digits than its factorization.

143203409804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393415985 (or 393415983 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 143203409804 in words is "one hundred forty-three billion, two hundred three million, four hundred nine thousand, eight hundred four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 393415961 786831922 1573663844 2753911727 5114407493 5507823454 10228814986 11015646908 20457629972 35800852451 71601704902 143203409804