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54989189418 = 2334259267517
BaseRepresentation
bin110011001101100111…
…000111000100101010
312020221021212020212010
4303031213013010222
51400104213030133
641132305100350
73654453253332
oct631547070452
9166837766763
1054989189418
1121358a66999
12a7a79276b6
1352545b4b07
1429391ba0c2
15166c8b3263
hexccd9c712a

54989189418 has 16 divisors (see below), whose sum is σ = 109982000160. Its totient is φ = 18329126256.

The previous prime is 54989189401. The next prime is 54989189419. The reversal of 54989189418 is 81498198945.

54989189418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54989189419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71796 + ... + 339312.

It is an arithmetic number, because the mean of its divisors is an integer number (6873875010).

Almost surely, 254989189418 is an apocalyptic number.

54989189418 is an abundant number, since it is smaller than the sum of its proper divisors (54992810742).

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

54989189418 is a wasteful number, since it uses less digits than its factorization.

54989189418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301781.

The product of its digits is 29859840, while the sum is 66.

The spelling of 54989189418 in words is "fifty-four billion, nine hundred eighty-nine million, one hundred eighty-nine thousand, four hundred eighteen".

Divisors: 1 2 3 6 34259 68518 102777 205554 267517 535034 802551 1605102 9164864903 18329729806 27494594709 54989189418