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55130366015520 = 2535149770838451
BaseRepresentation
bin11001000100100000010011…
…11000011111100000100000
321020012102002222221011002020
430202100021320133200200
524211223442144444040
6313130312430021440
714420015602140255
oct1442201170374040
9236172088834066
1055130366015520
1116625725408644
126224774047880
13249ba044618a3
14d88476cd542c
156591023e3cd0
hex322409e1f820

55130366015520 has 96 divisors (see below), whose sum is σ = 174826160913600. Its totient is φ = 14602763596800.

The previous prime is 55130366015453. The next prime is 55130366015539. The reversal of 55130366015520 is 2551066303155.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 385347706 + ... + 385490745.

It is an arithmetic number, because the mean of its divisors is an integer number (1821105842850).

Almost surely, 255130366015520 is an apocalyptic number.

It is an amenable number.

55130366015520 is an abundant number, since it is smaller than the sum of its proper divisors (119695794898080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55130366015520 is a wasteful number, since it uses less digits than its factorization.

55130366015520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770838618 (or 770838610 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 55130366015520 in words is "fifty-five trillion, one hundred thirty billion, three hundred sixty-six million, fifteen thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 149 160 240 298 447 480 596 745 894 1192 1490 1788 2235 2384 2980 3576 4470 4768 5960 7152 8940 11920 14304 17880 23840 35760 71520 770838451 1541676902 2312515353 3083353804 3854192255 4625030706 6166707608 7708384510 9250061412 11562576765 12333415216 15416769020 18500122824 23125153530 24666830432 30833538040 37000245648 46250307060 61667076080 74000491296 92500614120 114854929199 123334152160 185001228240 229709858398 344564787597 370002456480 459419716796 574274645995 689129575194 918839433592 1148549291990 1378259150388 1722823937985 1837678867184 2297098583980 2756518300776 3445647875970 3675357734368 4594197167960 5513036601552 6891295751940 9188394335920 11026073203104 13782591503880 18376788671840 27565183007760 55130366015520