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143243022243 = 3313075017093
BaseRepresentation
bin1000010101100111110…
…0110000111110100011
3111200201212000110221010
42011121330300332203
54321330203202433
6145445511032003
713230460412436
oct2053174607643
9450655013833
10143243022243
1155826a51812
122391796b603
131067a714b79
146d0c21581d
153ad57bbe63
hex2159f30fa3

143243022243 has 16 divisors (see below), whose sum is σ = 197793913856. Its totient is φ = 92113809120.

The previous prime is 143243022239. The next prime is 143243022277. The reversal of 143243022243 is 342220342341.

It is not a de Polignac number, because 143243022243 - 22 = 143243022239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143243022243.

It is not an unprimeable number, because it can be changed into a prime (143243022233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479996 + ... + 2537097.

It is an arithmetic number, because the mean of its divisors is an integer number (12362119616).

Almost surely, 2143243022243 is an apocalyptic number.

143243022243 is a deficient number, since it is larger than the sum of its proper divisors (54550891613).

143243022243 is a wasteful number, since it uses less digits than its factorization.

143243022243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017434.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 143243022243 its reverse (342220342341), we get a palindrome (485463364584).

The spelling of 143243022243 in words is "one hundred forty-three billion, two hundred forty-three million, twenty-two thousand, two hundred forty-three".

Divisors: 1 3 31 93 307 921 9517 28551 5017093 15051279 155529883 466589649 1540247551 4620742653 47747674081 143243022243