Search a number
-
+
144312445215 = 3253206943227
BaseRepresentation
bin1000011001100110110…
…0010010100100011111
3111210111101022210110100
42012121230102210133
54331022441221330
6150143552312143
713266124354611
oct2063154224437
9453441283410
10144312445215
1156225682054
1223b75b42653
13107bb14b023
146db0274db1
153b49613060
hex2199b1291f

144312445215 has 12 divisors (see below), whose sum is σ = 250141571784. Its totient is φ = 76966637424.

The previous prime is 144312445213. The next prime is 144312445223. The reversal of 144312445215 is 512544213441.

144312445215 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 124 + 4 + 521 + 5 = 666.

It is not a de Polignac number, because 144312445215 - 21 = 144312445213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144312445215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144312445213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1603471569 + ... + 1603471658.

It is an arithmetic number, because the mean of its divisors is an integer number (20845130982).

Almost surely, 2144312445215 is an apocalyptic number.

144312445215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144312445215 is a deficient number, since it is larger than the sum of its proper divisors (105829126569).

144312445215 is a wasteful number, since it uses less digits than its factorization.

144312445215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206943238 (or 3206943235 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 144312445215 its reverse (512544213441), we get a palindrome (656856658656).

The spelling of 144312445215 in words is "one hundred forty-four billion, three hundred twelve million, four hundred forty-five thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 45 3206943227 9620829681 16034716135 28862489043 48104148405 144312445215