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143198127 = 3243370021
BaseRepresentation
bin10001000100100…
…00011110101111
3100222110012220100
420202100132233
5243124320002
622113122143
73356110152
oct1042203657
9328405810
10143198127
1173916966
123bb59353
1323889c27
1415037c99
15c88911c
hex88907af

143198127 has 12 divisors (see below), whose sum is σ = 211652584. Its totient is φ = 93245040.

The previous prime is 143198101. The next prime is 143198137. The reversal of 143198127 is 721891341.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-143198127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143198091 and 143198100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143198137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184624 + ... + 185397.

Almost surely, 2143198127 is an apocalyptic number.

143198127 is a deficient number, since it is larger than the sum of its proper divisors (68454457).

143198127 is a wasteful number, since it uses less digits than its factorization.

143198127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370070 (or 370067 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 143198127 is about 11966.5419817088. The cubic root of 143198127 is about 523.1735498335.

The spelling of 143198127 in words is "one hundred forty-three million, one hundred ninety-eight thousand, one hundred twenty-seven".

Divisors: 1 3 9 43 129 387 370021 1110063 3330189 15910903 47732709 143198127