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54172627145 = 571323101107479
BaseRepresentation
bin110010011100111100…
…001011000011001001
312011211101100120222222
4302130330023003021
51341421143032040
640515255223425
73625306506320
oct623474130311
9164741316888
1054172627145
1120a7a04363a
12a5ba377b75
135154383480
14289c97d0b7
151620d68bb5
hexc9cf0b0c9

54172627145 has 128 divisors (see below), whose sum is σ = 85279703040. Its totient is φ = 32103244800.

The previous prime is 54172627133. The next prime is 54172627147.

It is a happy number.

54172627145 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54172627145 - 216 = 54172561609 is a prime.

Its product of digits (470400) is a multiple of the sum of its prime divisors (735).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54172627096 and 54172627105.

It is not an unprimeable number, because it can be changed into a prime (54172627147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 113095016 + ... + 113095494.

It is an arithmetic number, because the mean of its divisors is an integer number (666247680).

Almost surely, 254172627145 is an apocalyptic number.

It is an amenable number.

54172627145 is a deficient number, since it is larger than the sum of its proper divisors (31107075895).

54172627145 is a wasteful number, since it uses less digits than its factorization.

54172627145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735.

The product of its digits is 470400, while the sum is 44.

The spelling of 54172627145 in words is "fifty-four billion, one hundred seventy-two million, six hundred twenty-seven thousand, one hundred forty-five".

Divisors: 1 5 7 13 23 35 65 91 101 107 115 161 299 455 479 505 535 707 749 805 1313 1391 1495 2093 2323 2395 2461 3353 3535 3745 6227 6565 6955 9191 9737 10465 10807 11017 11615 12305 16261 16765 17227 30199 31135 31993 43589 45955 48379 48685 51253 54035 55085 75649 77119 81305 86135 140491 143221 150995 159965 211393 217945 223951 241895 248561 256265 338653 358771 378245 385595 628927 666289 702455 716105 983437 1002547 1056965 1112717 1119755 1178819 1242805 1693265 1739927 1793855 3144635 3231293 3331445 4402489 4664023 4917185 5012735 5176553 5563585 5894095 7789019 8251733 8699635 14465321 15324647 16156465 22012445 22619051 23320115 25882765 36235871 38945095 41258665 67295189 72326605 76623235 101257247 107272529 113095255 119060719 181179355 336475945 471066323 506286235 536362645 595303595 833425033 1547789347 2355331615 4167125165 7738946735 10834525429 54172627145