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143312743 = 7110918461
BaseRepresentation
bin10001000101011…
…00011101100111
3100222200001010101
420202230131213
5243142001433
622115404531
73360065260
oct1042543547
9328601111
10143312743
1173994a92
123bbb3747
13238ca152
1415067967
15c8ad07d
hex88ac767

143312743 has 8 divisors (see below), whose sum is σ = 163942560. Its totient is φ = 122722080.

The previous prime is 143312713. The next prime is 143312749. The reversal of 143312743 is 347213341.

143312743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143312743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143312749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468 + ... + 16993.

It is an arithmetic number, because the mean of its divisors is an integer number (20492820).

Almost surely, 2143312743 is an apocalyptic number.

143312743 is a deficient number, since it is larger than the sum of its proper divisors (20629817).

143312743 is a wasteful number, since it uses less digits than its factorization.

143312743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577.

The product of its digits is 6048, while the sum is 28.

The square root of 143312743 is about 11971.3300430654. The cubic root of 143312743 is about 523.3130955792.

The spelling of 143312743 in words is "one hundred forty-three million, three hundred twelve thousand, seven hundred forty-three".

Divisors: 1 7 1109 7763 18461 129227 20473249 143312743