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143685113 = 11136471553
BaseRepresentation
bin10001001000001…
…11010111111001
3101000100221220212
420210013113321
5243240410423
622131400505
73363206015
oct1044072771
9330327825
10143685113
1174119830
1240153135
13239ca7a0
1415123545
15c933578
hex89075f9

143685113 has 16 divisors (see below), whose sum is σ = 169174656. Its totient is φ = 120311040.

The previous prime is 143685079. The next prime is 143685137. The reversal of 143685113 is 311586341.

143685113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 143685113 - 28 = 143684857 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 143685113.

It is not an unprimeable number, because it can be changed into a prime (143685193) 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, 91745 + ... + 93297.

It is an arithmetic number, because the mean of its divisors is an integer number (10573416).

Almost surely, 2143685113 is an apocalyptic number.

143685113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143685113 is a deficient number, since it is larger than the sum of its proper divisors (25489543).

143685113 is a wasteful number, since it uses less digits than its factorization.

143685113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its digits is 8640, while the sum is 32.

The square root of 143685113 is about 11986.8725278948. The cubic root of 143685113 is about 523.7659456719.

The spelling of 143685113 in words is "one hundred forty-three million, six hundred eighty-five thousand, one hundred thirteen".

Divisors: 1 11 13 143 647 1553 7117 8411 17083 20189 92521 222079 1004791 11052701 13062283 143685113