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195930594145441 = 2416
BaseRepresentation
bin101100100011001010100101…
…011101101111010010100001
3221200201210002222120122002101
4230203022211131233102201
5201140111324100123231
61532413134455050401
756161342526265241
oct5443124535572241
9850653088518071
10195930594145441
115747a775549a01
1219b847b3670a01
13854323917496c
14365513c96db21
15179b90ec36661
hexb232a576f4a1

195930594145441 has 7 divisors (see below), whose sum is σ = 196746971621047. Its totient is φ = 195117604128240.

The previous prime is 195930594145439. The next prime is 195930594145549. The reversal of 195930594145441 is 144541495039591.

The square root of 195930594145441 is 13997521.

The cubic root of 195930594145441 is 58081.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

195930594145441 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 3 ways, for example, as 10106079841 + 195920488065600 = 100529^2 + 13997160^2 .

It is not a de Polignac number, because 195930594145441 - 21 = 195930594145439 is a prime.

It is a super-2 number, since 2×1959305941454412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195930594145141) by changing a digit.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 812990017081 + ... + 812990017321.

Almost surely, 2195930594145441 is an apocalyptic number.

195930594145441 is the 13997521-st square number.

195930594145441 is the 6998761-st centered octagonal number.

It is an amenable number.

195930594145441 is a deficient number, since it is larger than the sum of its proper divisors (816377475606).

195930594145441 is an frugal number, since it uses more digits than its factorization.

195930594145441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 64.

The spelling of 195930594145441 in words is "one hundred ninety-five trillion, nine hundred thirty billion, five hundred ninety-four million, one hundred forty-five thousand, four hundred forty-one".

Divisors: 1 241 58081 13997521 3373402561 812990017201 195930594145441