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54214622878 = 2134453746819
BaseRepresentation
bin110010011111011100…
…010111111010011110
312011221022101012022111
4302133130113322132
51342012420413003
640523355304234
73626326456003
oct623734277236
9164838335274
1054214622878
1120aa0817659
12a61044b07a
13515cc98510
1428a43918aa
1516248b1e6d
hexc9f717e9e

54214622878 has 16 divisors (see below), whose sum is σ = 87581304720. Its totient is φ = 25021037376.

The previous prime is 54214622809. The next prime is 54214622887. The reversal of 54214622878 is 87822641245.

It is a super-2 number, since 2×542146228782 (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1134553 + ... + 1181371.

It is an arithmetic number, because the mean of its divisors is an integer number (5473831545).

Almost surely, 254214622878 is an apocalyptic number.

54214622878 is a deficient number, since it is larger than the sum of its proper divisors (33366681842).

54214622878 is a wasteful number, since it uses less digits than its factorization.

54214622878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91371.

The product of its digits is 1720320, while the sum is 49.

The spelling of 54214622878 in words is "fifty-four billion, two hundred fourteen million, six hundred twenty-two thousand, eight hundred seventy-eight".

Divisors: 1 2 13 26 44537 46819 89074 93638 578981 608647 1157962 1217294 2085177803 4170355606 27107311439 54214622878