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13996510098481 = 612613312
BaseRepresentation
bin1100101110101101000100…
…0000110011010000110001
31211120001102212001120212201
43023223101000303100301
53313304323041122411
645433524042223201
72643133365600421
oct313532100632061
954501385046781
1013996510098481
114506983075a59
1216a074aab4b01
137a6b32c11c71
14365612b7c481
151941348383c1
hexcbad1033431

13996510098481 has 9 divisors (see below), whose sum is σ = 14229954594219. Its totient is φ = 13766834641800.

The previous prime is 13996510098457. The next prime is 13996510098499. The reversal of 13996510098481 is 18489001569931.

The square root of 13996510098481 is 3741191.

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

It can be written as a sum of positive squares in only one way, i.e., 455140478881 + 13541369619600 = 674641^2 + 3679860^2 .

It is not a de Polignac number, because 13996510098481 - 217 = 13996509967409 is a prime.

It is a super-2 number, since 2×139965100984812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13996510068481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 228181986 + ... + 228243316.

Almost surely, 213996510098481 is an apocalyptic number.

13996510098481 is the 3741191-st square number.

13996510098481 is the 1870596-th centered octagonal number.

It is an amenable number.

13996510098481 is a deficient number, since it is larger than the sum of its proper divisors (233444495738).

13996510098481 is an frugal number, since it uses more digits than its factorization.

13996510098481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122784 (or 61392 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 64.

Multiplying 13996510098481 by its sum of digits (64), we get a square (895776646302784 = 299295282).

The spelling of 13996510098481 in words is "thirteen trillion, nine hundred ninety-six billion, five hundred ten million, ninety-eight thousand, four hundred eighty-one".

Divisors: 1 61 3721 61331 3741191 228212651 3761491561 229450985221 13996510098481