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143113001 = 418574073
BaseRepresentation
bin10001000011110…
…11101100101001
3100222021220010112
420201323230221
5243114104001
622111224105
73355304033
oct1041735451
9328256115
10143113001
1173868a09
123bb18035
132385a265
1415014c53
15c86dcbb
hex887bb29

143113001 has 8 divisors (see below), whose sum is σ = 146810664. Its totient is φ = 139425280.

The previous prime is 143112973. The next prime is 143113007. The reversal of 143113001 is 100311341.

143113001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2808976 + 140304025 = 1676^2 + 11845^2 .

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-143113001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143113007) 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, 33101 + ... + 37173.

It is an arithmetic number, because the mean of its divisors is an integer number (18351333).

Almost surely, 2143113001 is an apocalyptic number.

It is an amenable number.

143113001 is a deficient number, since it is larger than the sum of its proper divisors (3697663).

143113001 is an equidigital number, since it uses as much as digits as its factorization.

143113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 143113001 is about 11962.9846192328. The cubic root of 143113001 is about 523.0698601638.

Adding to 143113001 its reverse (100311341), we get a palindrome (243424342).

The spelling of 143113001 in words is "one hundred forty-three million, one hundred thirteen thousand, one".

Divisors: 1 41 857 4073 35137 166993 3490561 143113001