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54257477475245 = 5117134940219901
BaseRepresentation
bin11000101011000110011011…
…01010111101101110101101
321010002222000220010220212212
430111203031222331232231
524102423303213201440
6311221312511140205
714266654605024332
oct1425431552755655
9233088026126785
1054257477475245
11163195155aa810
126103567514665
1324375c57acc55
14d5810c486989
15641565117465
hex3158cdabdbad

54257477475245 has 64 divisors (see below), whose sum is σ = 72260011353600. Its totient is φ = 38779171200000.

The previous prime is 54257477475211. The next prime is 54257477475251.

It is a happy number.

54257477475245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54257477475245 - 212 = 54257477471149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5479994795 + ... + 5480004695.

It is an arithmetic number, because the mean of its divisors is an integer number (1129062677400).

Almost surely, 254257477475245 is an apocalyptic number.

54257477475245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54257477475245 is a deficient number, since it is larger than the sum of its proper divisors (18002533878355).

54257477475245 is a wasteful number, since it uses less digits than its factorization.

54257477475245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358.

The product of its digits is 1536640000, while the sum is 68.

The spelling of 54257477475245 in words is "fifty-four trillion, two hundred fifty-seven billion, four hundred seventy-seven million, four hundred seventy-five thousand, two hundred forty-five".

Divisors: 1 5 11 55 71 349 355 781 1745 3839 3905 4021 9901 19195 20105 24779 44231 49505 108911 123895 221155 272569 285491 544555 702971 1362845 1403329 1427455 3140401 3455449 3514855 7016645 7732681 15436619 15702005 17277245 38009939 38663405 39811921 77183095 99636359 190049695 199059605 245336879 437931131 498181795 1095999949 1226684395 2189655655 2698705669 2826646391 5479999745 13493528345 13894360429 14133231955 31093110301 69471802145 152837964719 155465551505 764189823595 986499590459 4932497952295 10851495495049 54257477475245