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61130895030855 = 33513172048965813
BaseRepresentation
bin11011110011001001001010…
…10010000111101001000111
322000110001112011220110121000
431321210211102013221013
531003032033111441410
6334003051231424343
715606363365203266
oct1571444522075107
9260401464813530
1061130895030855
1118529515625051
126a336b10850b3
1328158072954c0
141114a730705dd
1571024ca26dc0
hex379925487a47

61130895030855 has 64 divisors (see below), whose sum is σ = 123921452430720. Its totient is φ = 28324903385088.

The previous prime is 61130895030781. The next prime is 61130895030871. The reversal of 61130895030855 is 55803059803116.

61130895030855 is a `hidden beast` number, since 6 + 1 + 1 + 3 + 0 + 89 + 503 + 0 + 8 + 55 = 666.

61130895030855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61130895030855 - 216 = 61130894965319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1024453072 + ... + 1024512741.

It is an arithmetic number, because the mean of its divisors is an integer number (1936272694230).

Almost surely, 261130895030855 is an apocalyptic number.

61130895030855 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61130895030855 is an abundant number, since it is smaller than the sum of its proper divisors (62790557399865).

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

61130895030855 is a wasteful number, since it uses less digits than its factorization.

61130895030855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048965857 (or 2048965851 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 54.

The spelling of 61130895030855 in words is "sixty-one trillion, one hundred thirty billion, eight hundred ninety-five million, thirty thousand, eight hundred fifty-five".

Divisors: 1 3 5 9 13 15 17 27 39 45 51 65 85 117 135 153 195 221 255 351 459 585 663 765 1105 1755 1989 2295 3315 5967 9945 29835 2048965813 6146897439 10244829065 18440692317 26636555569 30734487195 34832418821 55322076951 79909666707 92203461585 104497256463 133182777845 174162094105 239729000121 276610384755 313491769389 399548333535 452821444673 522486282315 719187000363 940475308167 1198645000605 1358464334019 1567458846945 2264107223365 3595935001815 4075393002057 4702376540835 6792321670095 12226179006171 20376965010285 61130895030855