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143743893109 = 236249734483
BaseRepresentation
bin1000010111011111001…
…1011011111001110101
3111202000202111100120221
42011313303123321311
54323341414034414
6150011322254341
713246051634365
oct2056763337165
9452022440527
10143743893109
1155a63753483
1223a376573b1
131072a41346b
146d589569a5
153b14758224
hex2177cdbe75

143743893109 has 4 divisors (see below), whose sum is σ = 149993627616. Its totient is φ = 137494158604.

The previous prime is 143743893067. The next prime is 143743893113. The reversal of 143743893109 is 901398347341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143743893109 - 215 = 143743860341 is a prime.

It is a super-2 number, since 2×1437438931092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143743893119) 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, 3124867219 + ... + 3124867264.

It is an arithmetic number, because the mean of its divisors is an integer number (37498406904).

Almost surely, 2143743893109 is an apocalyptic number.

It is an amenable number.

143743893109 is a deficient number, since it is larger than the sum of its proper divisors (6249734507).

143743893109 is an equidigital number, since it uses as much as digits as its factorization.

143743893109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249734506.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 143743893109 in words is "one hundred forty-three billion, seven hundred forty-three million, eight hundred ninety-three thousand, one hundred nine".

Divisors: 1 23 6249734483 143743893109