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13123335043125 = 325419433283583
BaseRepresentation
bin1011111011111000001110…
…1110010011100000110101
31201110120121210010212212200
42332332003232103200311
53210003042232340000
643524435450335113
72523062322230526
oct276760356234065
951416553125780
1013123335043125
1141aa6365640aa
12157b48242a499
137426a9aa4388
1433525c26a84d
1517b57c313500
hexbef83b93835

13123335043125 has 120 divisors (see below), whose sum is σ = 24991702095360. Its totient is φ = 6615400896000.

The previous prime is 13123335043057. The next prime is 13123335043171. The reversal of 13123335043125 is 52134053332131.

13123335043125 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 335 + 0 + 4 + 312 + 5 = 666.

It is not a de Polignac number, because 13123335043125 - 213 = 13123335034933 is a prime.

It is a super-2 number, since 2×131233350431252 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13123335043125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 46135084 + ... + 46418666.

It is an arithmetic number, because the mean of its divisors is an integer number (208264184128).

Almost surely, 213123335043125 is an apocalyptic number.

13123335043125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13123335043125 is a deficient number, since it is larger than the sum of its proper divisors (11868367052235).

13123335043125 is a wasteful number, since it uses less digits than its factorization.

13123335043125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284061 (or 284043 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 13123335043125 its reverse (52134053332131), we get a palindrome (65257388375256).

The spelling of 13123335043125 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-five million, forty-three thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 19 25 45 57 75 95 125 171 225 285 375 433 475 625 855 1125 1299 1425 1875 2165 2375 3897 4275 5625 6495 7125 8227 10825 11875 19485 21375 24681 32475 35625 41135 54125 74043 97425 106875 123405 162375 205675 270625 283583 370215 487125 617025 811875 850749 1028375 1417915 1851075 2435625 2552247 3085125 4253745 5141875 5388077 7089575 9255375 12761235 15425625 16164231 21268725 26940385 35447875 46276875 48492693 63806175 80821155 106343625 122791439 134701925 177239375 242463465 319030875 368374317 404105775 531718125 613957195 673509625 1105122951 1212317325 1595154375 1841871585 2020528875 2333037341 3069785975 3367548125 5525614755 6061586625 6999112023 9209357925 10102644375 11665186705 15348929875 20997336069 27628073775 30307933125 34995560115 46046789625 58325933525 76744649375 104986680345 138140368875 174977800575 230233948125 291629667625 524933401725 690701844375 874889002875 1458148338125 2624667008625 4374445014375 13123335043125