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143592866420 = 2257179643321
BaseRepresentation
bin1000010110111011001…
…1010100001001110100
3111201122020022101220212
42011232303110021310
54323034233211140
6145544325244552
713242236140343
oct2055663241164
9451566271825
10143592866420
115599647a933
12239b4b63758
1310705045163
146d42881b5a
153b06374765
hex216ecd4274

143592866420 has 12 divisors (see below), whose sum is σ = 301545019524. Its totient is φ = 57437146560.

The previous prime is 143592866387. The next prime is 143592866429. The reversal of 143592866420 is 24668295341.

It can be written as a sum of positive squares in 2 ways, for example, as 75423833956 + 68169032464 = 274634^2 + 261092^2 .

It is a super-2 number, since 2×1435928664202 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143592866429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3589821641 + ... + 3589821680.

It is an arithmetic number, because the mean of its divisors is an integer number (25128751627).

Almost surely, 2143592866420 is an apocalyptic number.

143592866420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143592866420 is an abundant number, since it is smaller than the sum of its proper divisors (157952153104).

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

143592866420 is a wasteful number, since it uses less digits than its factorization.

143592866420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179643330 (or 7179643328 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 143592866420 in words is "one hundred forty-three billion, five hundred ninety-two million, eight hundred sixty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 7179643321 14359286642 28718573284 35898216605 71796433210 143592866420