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144115311101 = 598124095521
BaseRepresentation
bin1000011000110111110…
…0010010000111111101
3111202222122101100021212
42012031330102013331
54330122004423401
6150112231134205
713261211634566
oct2061574220775
9452878340255
10144115311101
11561343772a3
1223b1bb14365
1310789358318
146d91ddb16d
153b37172dbb
hex218df121fd

144115311101 has 4 divisors (see below), whose sum is σ = 144139412604. Its totient is φ = 144091209600.

The previous prime is 144115311019. The next prime is 144115311127. The reversal of 144115311101 is 101113511441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28039502500 + 116075808601 = 167450^2 + 340699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144115311101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144115311701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12041780 + ... + 12053741.

It is an arithmetic number, because the mean of its divisors is an integer number (36034853151).

Almost surely, 2144115311101 is an apocalyptic number.

It is an amenable number.

144115311101 is a deficient number, since it is larger than the sum of its proper divisors (24101503).

144115311101 is an equidigital number, since it uses as much as digits as its factorization.

144115311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24101502.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 144115311101 its reverse (101113511441), we get a palindrome (245228822542).

The spelling of 144115311101 in words is "one hundred forty-four billion, one hundred fifteen million, three hundred eleven thousand, one hundred one".

Divisors: 1 5981 24095521 144115311101