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143243213252 = 2237967859549
BaseRepresentation
bin1000010101100111110…
…1011111100111000100
3111200201212101011221112
42011121331133213010
54321330230311002
6145445515104152
713230462136346
oct2053175374704
9450655334845
10143243213252
1155827072277
1223917a42058
131067a780aa9
146d0c265296
153ad5808852
hex2159f5f9c4

143243213252 has 12 divisors (see below), whose sum is σ = 257450640300. Its totient is φ = 69685887456.

The previous prime is 143243213219. The next prime is 143243213257. The reversal of 143243213252 is 252312342341.

It can be written as a sum of positive squares in 2 ways, for example, as 128835052096 + 14408161156 = 358936^2 + 120034^2 .

It is not an unprimeable number, because it can be changed into a prime (143243213257) 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, 483929627 + ... + 483929922.

It is an arithmetic number, because the mean of its divisors is an integer number (21454220025).

Almost surely, 2143243213252 is an apocalyptic number.

It is an amenable number.

143243213252 is a deficient number, since it is larger than the sum of its proper divisors (114207427048).

143243213252 is a wasteful number, since it uses less digits than its factorization.

143243213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967859590 (or 967859588 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

Adding to 143243213252 its reverse (252312342341), we get a palindrome (395555555593).

The spelling of 143243213252 in words is "one hundred forty-three billion, two hundred forty-three million, two hundred thirteen thousand, two hundred fifty-two".

Divisors: 1 2 4 37 74 148 967859549 1935719098 3871438196 35810803313 71621606626 143243213252