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12844303371025 = 52721023972
BaseRepresentation
bin1011101011101000110000…
…1000111100101100010001
31200110220101120211021112121
42322322030020330230101
53140420113130333100
643152331433254241
72463653545161400
oct272721410745421
950426346737477
1012844303371025
114102269447a15
12153538b264381
1372229c14b4a9
1432594bc75637
1517419a8e751a
hexbae8c23cb11

12844303371025 has 27 divisors (see below), whose sum is σ = 18527433228369. Its totient is φ = 8807436298080.

The previous prime is 12844303370993. The next prime is 12844303371049. The reversal of 12844303371025 is 52017330344821.

The square root of 12844303371025 is 3583895.

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 92605184721 + 12751698186304 = 304311^2 + 3570952^2 .

It is not a de Polignac number, because 12844303371025 - 25 = 12844303370993 is a prime.

It is a super-2 number, since 2×128443033710252 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 125385127 + ... + 125487523.

Almost surely, 212844303371025 is an apocalyptic number.

12844303371025 is the 3583895-th square number.

12844303371025 is the 1791948-th centered octagonal number.

It is an amenable number.

12844303371025 is a deficient number, since it is larger than the sum of its proper divisors (5683129857344).

12844303371025 is an frugal number, since it uses more digits than its factorization.

12844303371025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204818 (or 102409 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 12844303371025 in words is "twelve trillion, eight hundred forty-four billion, three hundred three million, three hundred seventy-one thousand, twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 102397 511985 716779 2559925 3583895 5017453 17919475 25087265 125436325 10485145609 52425728045 73396019263 262128640225 366980096315 513772134841 1834900481575 2568860674205 12844303371025