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154104124040 = 23512373114473
BaseRepresentation
bin1000111110000101010…
…0100101001010001000
3112201202210002121122122
42033201110211022020
510011101123432130
6154443334110412
714063562304316
oct2174124451210
9481683077578
10154104124040
115a39a8402a9
1225a491ab408
13116bb929819
14765c88b0b6
15401e0712e5
hex23e1525288

154104124040 has 32 divisors (see below), whose sum is σ = 347014693080. Its totient is φ = 61591798272.

The previous prime is 154104124001. The next prime is 154104124073. The reversal of 154104124040 is 40421401451.

It can be written as a sum of positive squares in 4 ways, for example, as 123607090084 + 30497033956 = 351578^2 + 174634^2 .

It is a super-2 number, since 2×1541041240402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507757 + ... + 1606716.

Almost surely, 2154104124040 is an apocalyptic number.

154104124040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154104124040 is an abundant number, since it is smaller than the sum of its proper divisors (192910569040).

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

154104124040 is a wasteful number, since it uses less digits than its factorization.

154104124040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115721 (or 3115717 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 154104124040 its reverse (40421401451), we get a palindrome (194525525491).

The spelling of 154104124040 in words is "one hundred fifty-four billion, one hundred four million, one hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1237 2474 4948 6185 9896 12370 24740 49480 3114473 6228946 12457892 15572365 24915784 31144730 62289460 124578920 3852603101 7705206202 15410412404 19263015505 30820824808 38526031010 77052062020 154104124040