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154440145054120 = 2353861003626353
BaseRepresentation
bin100011000111011001100101…
…111111000010100110101000
3202020211100000020201220200211
4203013121211333002212220
5130220321404113212440
61304244453450110504
744346634524041602
oct4307314577024650
9666740006656624
10154440145054120
1145233774700602
12153a365011b434
136823849111b73
142a1cd2b488172
1512cc5213bdeea
hex8c7665fc29a8

154440145054120 has 16 divisors (see below), whose sum is σ = 347490326371860. Its totient is φ = 61776058021632.

The previous prime is 154440145054109. The next prime is 154440145054193. The reversal of 154440145054120 is 21450541044451.

154440145054120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 140531019558084 + 13909125496036 = 11854578^2 + 3729494^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 3861003626353 = 154440145054120 / (1 + 5 + 4 + 4 + 4 + 0 + 1 + 4 + 5 + 0 + 5 + 4 + 1 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930501813137 + ... + 1930501813216.

Almost surely, 2154440145054120 is an apocalyptic number.

154440145054120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154440145054120 is an abundant number, since it is smaller than the sum of its proper divisors (193050181317740).

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

154440145054120 is a wasteful number, since it uses less digits than its factorization.

154440145054120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861003626364 (or 3861003626360 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 40.

Adding to 154440145054120 its reverse (21450541044451), we get a palindrome (175890686098571).

The spelling of 154440145054120 in words is "one hundred fifty-four trillion, four hundred forty billion, one hundred forty-five million, fifty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3861003626353 7722007252706 15444014505412 19305018131765 30888029010824 38610036263530 77220072527060 154440145054120