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143215426120 = 235131931427017
BaseRepresentation
bin1000010101100001001…
…1011111101001001000
3111200122221002110011111
42011120103133221020
54321301122113440
6145443043340104
713230004015324
oct2053023375110
9450587073144
10143215426120
11558124133a8
122390a681634
1310674aa20c0
146d086b0984
153ad316a4ea
hex21584dfa48

143215426120 has 64 divisors (see below), whose sum is σ = 348820279920. Its totient is φ = 52605517824.

The previous prime is 143215426117. The next prime is 143215426139. The reversal of 143215426120 is 21624512341.

It can be written as a sum of positive squares in 8 ways, for example, as 21273389316 + 121942036804 = 145854^2 + 349202^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613149 + ... + 813868.

Almost surely, 2143215426120 is an apocalyptic number.

143215426120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143215426120 is an abundant number, since it is smaller than the sum of its proper divisors (205604853800).

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

143215426120 is a wasteful number, since it uses less digits than its factorization.

143215426120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427234 (or 1427230 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 143215426120 its reverse (21624512341), we get a palindrome (164839938461).

The spelling of 143215426120 in words is "one hundred forty-three billion, two hundred fifteen million, four hundred twenty-six thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 193 260 386 520 772 965 1544 1930 2509 3860 5018 7720 10036 12545 20072 25090 50180 100360 1427017 2854034 5708068 7135085 11416136 14270170 18551221 28540340 37102442 57080680 74204884 92756105 148409768 185512210 275414281 371024420 550828562 742048840 1101657124 1377071405 2203314248 2754142810 3580385653 5508285620 7160771306 11016571240 14321542612 17901928265 28643085224 35803856530 71607713060 143215426120