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143288953812 = 22324197079237
BaseRepresentation
bin1000010101110010101…
…1111110101111010100
3111200212001110001012100
42011130223332233110
54321423433010222
6145454231322100
713231556003634
oct2053453765724
9450761401170
10143288953812
115584a973894
122392b220330
13106870a7504
146d143706c4
153ad98414ac
hex215cafebd4

143288953812 has 36 divisors (see below), whose sum is σ = 371036847636. Its totient is φ = 46598033280.

The previous prime is 143288953789. The next prime is 143288953831. The reversal of 143288953812 is 218359882341.

143288953812 is a `hidden beast` number, since 1 + 4 + 3 + 28 + 89 + 538 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 58377324996 + 84911628816 = 241614^2 + 291396^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48538143 + ... + 48541094.

It is an arithmetic number, because the mean of its divisors is an integer number (10306579101).

Almost surely, 2143288953812 is an apocalyptic number.

143288953812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143288953812 is an abundant number, since it is smaller than the sum of its proper divisors (227747893824).

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

143288953812 is a wasteful number, since it uses less digits than its factorization.

143288953812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97079288 (or 97079283 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 143288953812 in words is "one hundred forty-three billion, two hundred eighty-eight million, nine hundred fifty-three thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 41 82 123 164 246 369 492 738 1476 97079237 194158474 291237711 388316948 582475422 873713133 1164950844 1747426266 3494852532 3980248717 7960497434 11940746151 15920994868 23881492302 35822238453 47762984604 71644476906 143288953812