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143723407042 = 290137973117
BaseRepresentation
bin1000010111011010010…
…1010010011011000010
3111201222022221112222201
42011312211102123002
54323321143011132
6150005311223414
713245412542265
oct2056645223302
9451868845881
10143723407042
1155a53130a46
1223a30817b6a
13107260bca27
146d55d42cdc
153b12a5d2e7
hex21769526c2

143723407042 has 8 divisors (see below), whose sum is σ = 215609056956. Its totient is φ = 71853721392.

The previous prime is 143723407033. The next prime is 143723407049. The reversal of 143723407042 is 240704327341.

It can be written as a sum of positive squares in 2 ways, for example, as 141647602321 + 2075804721 = 376361^2 + 45561^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 143723406992 and 143723407010.

It is not an unprimeable number, because it can be changed into a prime (143723407049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968533 + ... + 4004584.

Almost surely, 2143723407042 is an apocalyptic number.

143723407042 is a deficient number, since it is larger than the sum of its proper divisors (71885649914).

143723407042 is an equidigital number, since it uses as much as digits as its factorization.

143723407042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982132.

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 143723407042 in words is "one hundred forty-three billion, seven hundred twenty-three million, four hundred seven thousand, forty-two".

Divisors: 1 2 9013 18026 7973117 15946234 71861703521 143723407042