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380729723089 = 292212772
BaseRepresentation
bin1011000101001010100…
…00101000100011010001
31100101201201010212122011
411202211100220203101
522214213302114324
6450523235142521
736335560151452
oct5424520504321
91311651125564
10380729723089
11137515004111
1261955744a41
1329b971aba21
14145dab91129
159d84c71c94
hex58a54288d1

380729723089 has 9 divisors (see below), whose sum is σ = 394329578097. Its totient is φ = 367583835024.

The previous prime is 380729723021. The next prime is 380729723159. The reversal of 380729723089 is 980327927083.

The square root of 380729723089 is 617033.

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

It can be written as a sum of positive squares in 4 ways, for example, as 99821243025 + 280908480064 = 315945^2 + 530008^2 .

It is not a de Polignac number, because 380729723089 - 211 = 380729721041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380729723189) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17883319 + ... + 17904595.

Almost surely, 2380729723089 is an apocalyptic number.

380729723089 is the 617033-rd square number.

380729723089 is the 308517-th centered octagonal number.

It is an amenable number.

380729723089 is a deficient number, since it is larger than the sum of its proper divisors (13599855008).

380729723089 is an frugal number, since it uses more digits than its factorization.

380729723089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42612 (or 21306 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 380729723089 in words is "three hundred eighty billion, seven hundred twenty-nine million, seven hundred twenty-three thousand, eighty-nine".

Divisors: 1 29 841 21277 617033 17893957 452710729 13128611141 380729723089