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131563622089 = 3627172
BaseRepresentation
bin111101010000111001…
…1011000111011001001
3110120120220011110220001
41322201303120323021
54123420241401324
6140234533003001
712335161223224
oct1724163307311
9416526143801
10131563622089
1150883264599
12215b8483461
13c538b115c3
1465210105bb
153650278e44
hex1ea1cd8ec9

131563622089 has 3 divisors (see below), whose sum is σ = 131563984807. Its totient is φ = 131563259372.

The previous prime is 131563622011. The next prime is 131563622119. The reversal of 131563622089 is 980226365131.

The square root of 131563622089 is 362717.

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

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., 105024605625 + 26539016464 = 324075^2 + 162908^2 .

It is not a de Polignac number, because 131563622089 - 233 = 122973687497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131563622189) 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, 181359 + ... + 544075.

Almost surely, 2131563622089 is an apocalyptic number.

131563622089 is the 362717-th square number.

131563622089 is the 181359-th centered octagonal number.

It is an amenable number.

131563622089 is a deficient number, since it is larger than the sum of its proper divisors (362718).

131563622089 is an frugal number, since it uses more digits than its factorization.

131563622089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725434 (or 362717 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 131563622089 in words is "one hundred thirty-one billion, five hundred sixty-three million, six hundred twenty-two thousand, eighty-nine".

Divisors: 1 362717 131563622089