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105455406020 = 22522723228063
BaseRepresentation
bin110001000110110100…
…0011100101111000100
3101002012100221200102112
41202031220130233010
53211433040443040
6120240123200152
710422166106216
oct1421550345704
9332170850375
10105455406020
11407a5911418
1218530976058
139c37b0b843
1451657ca5b6
152b2314b365
hex188da1cbc4

105455406020 has 24 divisors (see below), whose sum is σ = 222431940864. Its totient is φ = 41996336096.

The previous prime is 105455406011. The next prime is 105455406073. The reversal of 105455406020 is 20604554501.

It is a super-2 number, since 2×1054554060202 (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 11609492 + ... + 11618571.

It is an arithmetic number, because the mean of its divisors is an integer number (9267997536).

Almost surely, 2105455406020 is an apocalyptic number.

105455406020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105455406020 is an abundant number, since it is smaller than the sum of its proper divisors (116976534844).

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

105455406020 is a wasteful number, since it uses less digits than its factorization.

105455406020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23228299 (or 23228297 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 105455406020 in words is "one hundred five billion, four hundred fifty-five million, four hundred six thousand, twenty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 4540 23228063 46456126 92912252 116140315 232280630 464561260 5272770301 10545540602 21091081204 26363851505 52727703010 105455406020