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154020014441 = 2337227717659
BaseRepresentation
bin1000111101110001001…
…1101110100101101001
3112201112220211101222022
42033130103232211221
510010413110430231
6154431131234225
714061521343656
oct2173423564551
9481486741868
10154020014441
115a357312537
1225a24ba8975
13116a738aa27
147651634c2d
1540169a9c7b
hex23dc4ee969

154020014441 has 24 divisors (see below), whose sum is σ = 165783320640. Its totient is φ = 142816208832.

The previous prime is 154020014429. The next prime is 154020014471. The reversal of 154020014441 is 144410020451.

It is not a de Polignac number, because 154020014441 - 218 = 154019752297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154020014441.

It is not an unprimeable number, because it can be changed into a prime (154020014471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8713070 + ... + 8730728.

It is an arithmetic number, because the mean of its divisors is an integer number (6907638360).

Almost surely, 2154020014441 is an apocalyptic number.

It is an amenable number.

154020014441 is a deficient number, since it is larger than the sum of its proper divisors (11763306199).

154020014441 is a wasteful number, since it uses less digits than its factorization.

154020014441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18033 (or 17996 counting only the distinct ones).

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

Adding to 154020014441 its reverse (144410020451), we get a palindrome (298430034892).

The spelling of 154020014441 in words is "one hundred fifty-four billion, twenty million, fourteen thousand, four hundred forty-one".

Divisors: 1 23 37 277 851 1369 6371 10249 17659 31487 235727 379213 406157 653383 4891543 8721899 15027809 24175171 112505489 180987091 556028933 4162703093 6696522367 154020014441