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650230964161 = 8063692
BaseRepresentation
bin10010111011001001100…
…10010001111111000001
32022011100201021102101021
421131210302101333001
541123133111323121
61214413442105441
764656221000452
oct11354462217701
92264321242337
10650230964161
11230841478419
12a602904b281
13494165062cc
1423685537129
1511da9b36641
hex9764c91fc1

650230964161 has 3 divisors (see below), whose sum is σ = 650231770531. Its totient is φ = 650230157792.

The previous prime is 650230964143. The next prime is 650230964167. The reversal of 650230964161 is 161469032056.

The square root of 650230964161 is 806369.

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

650230964161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 588548274561 + 61682689600 = 767169^2 + 248360^2 .

It is not a de Polignac number, because 650230964161 - 211 = 650230962113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650230964167) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 403185 + ... + 1209553.

Almost surely, 2650230964161 is an apocalyptic number.

650230964161 is the 806369-th square number.

650230964161 is the 403185-th centered octagonal number.

It is an amenable number.

650230964161 is a deficient number, since it is larger than the sum of its proper divisors (806370).

650230964161 is an frugal number, since it uses more digits than its factorization.

650230964161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612738 (or 806369 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 650230964161 in words is "six hundred fifty billion, two hundred thirty million, nine hundred sixty-four thousand, one hundred sixty-one".

Divisors: 1 806369 650230964161