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143725150321 = 367210332
BaseRepresentation
bin1000010111011010101…
…1111100000001110001
3111201222110020010022121
42011312223330001301
54323322114302241
6150005412434241
713245433422604
oct2056653740161
9451873203277
10143725150321
1155a54111775
1223a31318981
131072658035c
146d5627833b
153b12ca4ad1
hex2176afc071

143725150321 has 9 divisors (see below), whose sum is σ = 144257488011. Its totient is φ = 143194774032.

The previous prime is 143725150297. The next prime is 143725150339. The reversal of 143725150321 is 123051527341.

The square root of 143725150321 is 379111.

It is a perfect power (a square), and thus also a powerful number.

143725150321 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 only one way, i.e., 138759975025 + 4965175296 = 372505^2 + 70464^2 .

It is not a de Polignac number, because 143725150321 - 219 = 143724626033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143725130321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 139133221 + ... + 139134253.

It is an arithmetic number, because the mean of its divisors is an integer number (16028609779).

Almost surely, 2143725150321 is an apocalyptic number.

143725150321 is the 379111-st square number.

143725150321 is the 189556-th centered octagonal number.

It is an amenable number.

143725150321 is a deficient number, since it is larger than the sum of its proper divisors (532337690).

143725150321 is an frugal number, since it uses more digits than its factorization.

143725150321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 143725150321 its reverse (123051527341), we get a palindrome (266776677662).

The spelling of 143725150321 in words is "one hundred forty-three billion, seven hundred twenty-five million, one hundred fifty thousand, three hundred twenty-one".

Divisors: 1 367 1033 134689 379111 1067089 139133737 391621663 143725150321