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54766793410681 = 1124126122692
BaseRepresentation
bin11000111001111011000110…
…10001000100100001111001
321011220122122222221012002011
430130331203101010201321
524134244343103120211
6312251303443205521
714351525124034432
oct1434754321044171
9234818588835064
1054766793410681
11164a5515127400
1261862083768a1
132473642998151
14d74a26a42489
1564e923a32921
hex31cf63444879

54766793410681 has 81 divisors (see below), whose sum is σ = 62964431045607. Its totient is φ = 47599752288000.

The previous prime is 54766793410627. The next prime is 54766793410687. The reversal of 54766793410681 is 18601439766745.

The square root of 54766793410681 is 7400459.

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

It can be written as a sum of positive squares in 13 ways, for example, as 20695757449081 + 34071035961600 = 4549259^2 + 5837040^2 .

It is not a de Polignac number, because 54766793410681 - 29 = 54766793410169 is a prime.

It is a super-3 number, since 3×547667934106813 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54766793410687) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 203594027415 + ... + 203594027683.

Almost surely, 254766793410681 is an apocalyptic number.

54766793410681 is the 7400459-th square number.

54766793410681 is the 3700230-th centered octagonal number.

It is an amenable number.

54766793410681 is a deficient number, since it is larger than the sum of its proper divisors (8197637634926).

54766793410681 is an frugal number, since it uses more digits than its factorization.

54766793410681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 67.

The spelling of 54766793410681 in words is "fifty-four trillion, seven hundred sixty-six billion, seven hundred ninety-three million, four hundred ten thousand, six hundred eighty-one".

Divisors: 1 11 41 61 121 269 451 671 1681 2501 2959 3721 4961 7381 11029 16409 18491 27511 32549 40931 72361 102541 121319 152561 180499 203401 302621 450241 452189 672769 795971 1000949 1127951 1334509 1678171 1985489 2966801 4414021 4974079 6255001 7400459 8755681 11010439 12407461 18459881 27583529 32634811 41038909 48554231 54714869 68805011 81405049 121114829 121638841 180974861 269255281 303418819 358982921 451427999 534096541 756855121 1338027251 1682595269 1990723471 2961808091 3337607009 4965707989 7419969301 11039466521 14718299761 18508547959 21897958181 32579889001 81619662311 121434131731 203594027549 452618127361 897816285421 1335775449041 4978799400971 54766793410681