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5805068615641 = 19217327332
BaseRepresentation
bin101010001111001100100…
…0011010111111111011001
3202112221220012202012221001
41110132121003113333121
51230102240031200031
620202451154545001
71136255004041221
oct124363103277731
922487805665831
105805068615641
111938a089941a9
12799089898161
13331553174b99
14160d76d51081
15a100a9c0861
hex547990d7fd9

5805068615641 has 27 divisors (see below), whose sum is σ = 6170716526589. Its totient is φ = 5460290034912.

The previous prime is 5805068615617. The next prime is 5805068615681. The reversal of 5805068615641 is 1465168605085.

It is a happy number.

The square root of 5805068615641 is 2409371.

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 4692296801241 + 1112771814400 = 2166171^2 + 1054880^2 .

It is not a de Polignac number, because 5805068615641 - 25 = 5805068615609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5805068615681) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7919602111 + ... + 7919602843.

Almost surely, 25805068615641 is an apocalyptic number.

5805068615641 is the 2409371-st square number.

5805068615641 is the 1204686-th centered octagonal number.

It is an amenable number.

5805068615641 is a deficient number, since it is larger than the sum of its proper divisors (365647910948).

5805068615641 is an frugal number, since it uses more digits than its factorization.

5805068615641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 5805068615641 in words is "five trillion, eight hundred five billion, sixty-eight million, six hundred fifteen thousand, six hundred forty-one".

Divisors: 1 19 173 361 733 3287 13927 29929 62453 126809 264613 537289 568651 2409371 10208491 10804369 21937957 45778049 92950997 193961329 416821183 1766068943 7919602477 16080522481 33555309917 305529927139 5805068615641