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154135130505 = 3526339071009
BaseRepresentation
bin1000111110001100101…
…0110111000110001001
3112201211221102220112020
42033203022313012021
510011132043134010
6154450402435053
714064416664216
oct2174312670611
9481757386466
10154135130505
115a406298984
1225a57662a89
13116c5194945
147662a3cb0d
154021b48470
hex23e32b7189

154135130505 has 16 divisors (see below), whose sum is σ = 247553919360. Its totient is φ = 81892832768.

The previous prime is 154135130497. The next prime is 154135130519. The reversal of 154135130505 is 505031531451.

154135130505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 154135130505 - 23 = 154135130497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19531560 + ... + 19539449.

It is an arithmetic number, because the mean of its divisors is an integer number (15472119960).

Almost surely, 2154135130505 is an apocalyptic number.

154135130505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154135130505 is a deficient number, since it is larger than the sum of its proper divisors (93418788855).

154135130505 is a wasteful number, since it uses less digits than its factorization.

154135130505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39071280.

The product of its (nonzero) digits is 22500, while the sum is 33.

Adding to 154135130505 its reverse (505031531451), we get a palindrome (659166661956).

The spelling of 154135130505 in words is "one hundred fifty-four billion, one hundred thirty-five million, one hundred thirty thousand, five hundred five".

Divisors: 1 3 5 15 263 789 1315 3945 39071009 117213027 195355045 586065135 10275675367 30827026101 51378376835 154135130505