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143217193628 = 22212691683403
BaseRepresentation
bin1000010101100001101…
…0001111001010011100
3111200200001102020201202
42011120122033022130
54321302100144003
6145443145255032
713230025026365
oct2053032171234
9450601366652
10143217193628
1155813410353
122390b194478
1310675270772
146d08a10b6c
153ad33b9088
hex215868f29c

143217193628 has 12 divisors (see below), whose sum is σ = 250642021560. Its totient is φ = 71605187472.

The previous prime is 143217193577. The next prime is 143217193681. The reversal of 143217193628 is 826391712341.

It is a super-2 number, since 2×1432171936282 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756626 + ... + 926777.

It is an arithmetic number, because the mean of its divisors is an integer number (20886835130).

Almost surely, 2143217193628 is an apocalyptic number.

It is an amenable number.

143217193628 is a deficient number, since it is larger than the sum of its proper divisors (107424827932).

143217193628 is a wasteful number, since it uses less digits than its factorization.

143217193628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704676 (or 1704674 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The spelling of 143217193628 in words is "one hundred forty-three billion, two hundred seventeen million, one hundred ninety-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 21269 42538 85076 1683403 3366806 6733612 35804298407 71608596814 143217193628