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143809053696 = 2103471122389
BaseRepresentation
bin1000010111101110110…
…0000000010000000000
3111202012022002212010000
42011323230000100000
54324010104204241
6150022011040000
713250502534060
oct2057354002000
9452168085100
10143809053696
1155a97509600
1223a55440000
131073aa79319
146d634793a0
153b1a329eb6
hex217bb00400

143809053696 has 1320 divisors, whose sum is σ = 569244170880. Its totient is φ = 35327508480.

The previous prime is 143809053677. The next prime is 143809053733. The reversal of 143809053696 is 696350908341.

143809053696 is a `hidden beast` number, since 1 + 438 + 0 + 90 + 5 + 36 + 96 = 666.

It is a super-2 number, since 2×1438090536962 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1615832020 + ... + 1615832108.

It is an arithmetic number, because the mean of its divisors is an integer number (431245584).

Almost surely, 2143809053696 is an apocalyptic number.

143809053696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143809053696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284622085440).

143809053696 is an abundant number, since it is smaller than the sum of its proper divisors (425435117184).

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

143809053696 is a wasteful number, since it uses less digits than its factorization.

143809053696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 143809053696 in words is "one hundred forty-three billion, eight hundred nine million, fifty-three thousand, six hundred ninety-six".