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61376334833025 = 3252173230192
BaseRepresentation
bin11011111010010010010101…
…01000101010010110000001
322001022112001022012021022100
431331021022220222112001
531021042213204124100
6334311522102301013
715633202536122532
oct1575111250522601
9261275038167270
1061376334833025
1118613614a32163
126a7318a427769
1328329c0661884
1411228b7d86689
15716815311400
hex37d24aa2a581

61376334833025 has 81 divisors (see below), whose sum is σ = 110607589657929. Its totient is φ = 32534051106240.

The previous prime is 61376334832979. The next prime is 61376334833027. The reversal of 61376334833025 is 52033843367316.

The square root of 61376334833025 is 7834305.

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

61376334833025 is a `hidden beast` number, since 6 + 13 + 76 + 33 + 483 + 30 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6756667210881 + 54619667622144 = 2599359^2 + 7390512^2 .

It is not a de Polignac number, because 61376334833025 - 29 = 61376334832513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61376334833027) 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, 20330019966 + ... + 20330022984.

Almost surely, 261376334833025 is an apocalyptic number.

61376334833025 is the 7834305-th square number.

61376334833025 is the 3917153-rd centered octagonal number.

It is an amenable number.

61376334833025 is a deficient number, since it is larger than the sum of its proper divisors (49231254824904).

61376334833025 is an frugal number, since it uses more digits than its factorization.

61376334833025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 54.

The spelling of 61376334833025 in words is "sixty-one trillion, three hundred seventy-six billion, three hundred thirty-four million, eight hundred thirty-three thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 173 225 519 865 1557 2595 3019 4325 7785 9057 12975 15095 27171 29929 38925 45285 75475 89787 135855 149645 226425 269361 448935 522287 679275 748225 1346805 1566861 2244675 2611435 4700583 6734025 7834305 9114361 13057175 23502915 27343083 39171525 45571805 82029249 90355651 117514575 136715415 227859025 271066953 410146245 451778255 683577075 813200859 1355334765 1576784453 2050731225 2258891275 4066004295 4730353359 6776673825 7883922265 14191060077 20330021475 23651766795 39419611325 70955300385 118258833975 272783710369 354776501925 818351131107 1363918551845 2455053393321 4091755655535 6819592759225 12275266966605 20458778277675 61376334833025