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52505455450525 = 52711127329965101
BaseRepresentation
bin10111111000000111000010…
…00001010101100110011101
320212220110202110121102120121
423330003201001111212131
523340222133043404100
6303400401230514541
714026252063363240
oct1374034101254635
9225813673542517
1052505455450525
1115803490873070
125a7baaa965a51
13233b32141b53c
14cd73c5a59257
15610bc269051a
hex2fc0e105599d

52505455450525 has 96 divisors (see below), whose sum is σ = 81837276364800. Its totient is φ = 32462609760000.

The previous prime is 52505455450489. The next prime is 52505455450531.

52505455450525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52505455450525 - 229 = 52504918579613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 806490475 + ... + 806555575.

It is an arithmetic number, because the mean of its divisors is an integer number (852471628800).

Almost surely, 252505455450525 is an apocalyptic number.

52505455450525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52505455450525 is a deficient number, since it is larger than the sum of its proper divisors (29331820914275).

52505455450525 is a wasteful number, since it uses less digits than its factorization.

52505455450525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68555 (or 68550 counting only the distinct ones).

The product of its (nonzero) digits is 25000000, while the sum is 52.

The spelling of 52505455450525 in words is "fifty-two trillion, five hundred five billion, four hundred fifty-five million, four hundred fifty thousand, five hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 127 175 275 385 635 889 1397 1925 3175 3299 4445 6985 9779 16495 22225 23093 34925 36289 48895 65101 82475 115465 181445 244475 254023 325505 418973 455707 577325 716111 907225 1270115 1627525 2094865 2278535 2932811 3580555 4608703 5012777 6350575 8267827 10474325 11392675 14664055 17902775 23043515 25063885 32260921 41339135 57874789 73320275 90946097 115217575 125319425 161304605 206695675 214768199 289373945 454730485 636622679 806523025 1073840995 1446869725 1503377393 2273652425 2362450189 3183113395 5369204975 7516886965 11812250945 15915566975 16537151323 27275561273 37584434825 59061254725 82685756615 136377806365 190928928911 300031174003 413428783075 681889031825 954644644555 1500155870015 2100218218021 4773223222775 7500779350075 10501091090105 52505455450525