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13658363161 = 19261512
BaseRepresentation
bin11001011100001101…
…00001010100011001
31022020212121201221021
430232012201110121
5210433020110121
610135150042441
7662316112522
oct145606412431
938225551837
1013658363161
115879876443
1227921a9421
1313988c34c1
14937d85849
1554e14c641
hex32e1a1519

13658363161 has 9 divisors (see below), whose sum is σ = 14417403093. Its totient is φ = 12937398300.

The previous prime is 13658363149. The next prime is 13658363197. The reversal of 13658363161 is 16136385631.

The square root of 13658363161 is 116869.

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

It is not a de Polignac number, because 13658363161 - 221 = 13656266009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13658363111) 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, 2217436 + ... + 2223586.

It is an arithmetic number, because the mean of its divisors is an integer number (1601933677).

Almost surely, 213658363161 is an apocalyptic number.

13658363161 is the 116869-th square number.

13658363161 is the 58435-th centered octagonal number.

It is an amenable number.

13658363161 is a deficient number, since it is larger than the sum of its proper divisors (759039932).

13658363161 is an frugal number, since it uses more digits than its factorization.

13658363161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340 (or 6170 counting only the distinct ones).

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

The spelling of 13658363161 in words is "thirteen billion, six hundred fifty-eight million, three hundred sixty-three thousand, one hundred sixty-one".

Divisors: 1 19 361 6151 116869 2220511 37834801 718861219 13658363161