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135441042240 = 2635743468719
BaseRepresentation
bin111111000100011101…
…0100100101101000000
3110221121010012211101210
41332020322210231000
54204340401322430
6142115403330120
712533232602160
oct1761072445500
9427533184353
10135441042240
1152492a34759
12222bab20940
13ca06214a5a
1467abd765a0
1537ca8892b0
hex1f88ea4b40

135441042240 has 224 divisors, whose sum is σ = 502887813120. Its totient is φ = 30237935616.

The previous prime is 135441042229. The next prime is 135441042313. The reversal of 135441042240 is 42240144531.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 135441042198 and 135441042207.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 54601 + ... + 523319.

It is an arithmetic number, because the mean of its divisors is an integer number (2245034880).

Almost surely, 2135441042240 is an apocalyptic number.

135441042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135441042240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251443906560).

135441042240 is an abundant number, since it is smaller than the sum of its proper divisors (367446770880).

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

135441042240 is a wasteful number, since it uses less digits than its factorization.

135441042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468789 (or 468779 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 135441042240 its reverse (42240144531), we get a palindrome (177681186771).

The spelling of 135441042240 in words is "one hundred thirty-five billion, four hundred forty-one million, forty-two thousand, two hundred forty".