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54430123806 = 232231091206181
BaseRepresentation
bin110010101100010010…
…011100011100011110
312012111022212210000100
4302230102130130132
51342433102430211
641001014241530
73634554263412
oct625422343436
9165438783010
1054430123806
11210a14276a3
12a6706562a6
13519581c166
1428c4c4ad42
15163877e156
hexcac49c71e

54430123806 has 48 divisors (see below), whose sum is σ = 124188498720. Its totient is φ = 17195302080.

The previous prime is 54430123777. The next prime is 54430123823. The reversal of 54430123806 is 60832103445.

54430123806 is a `hidden beast` number, since 544 + 30 + 1 + 2 + 3 + 80 + 6 = 666.

54430123806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 557965 + ... + 648216.

It is an arithmetic number, because the mean of its divisors is an integer number (2587260390).

Almost surely, 254430123806 is an apocalyptic number.

54430123806 is an abundant number, since it is smaller than the sum of its proper divisors (69758374914).

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

54430123806 is a wasteful number, since it uses less digits than its factorization.

54430123806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206321 (or 1206318 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 54430123806 in words is "fifty-four billion, four hundred thirty million, one hundred twenty-three thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 23 46 69 109 138 207 218 327 414 654 981 1962 2507 5014 7521 15042 22563 45126 1206181 2412362 3618543 7237086 10855629 21711258 27742163 55484326 83226489 131473729 166452978 249679467 262947458 394421187 499358934 788842374 1183263561 2366527122 3023895767 6047791534 9071687301 18143374602 27215061903 54430123806