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144613353551 = 592451073789
BaseRepresentation
bin1000011010101110100…
…0001010100001001111
3111211021100112112002112
42012223220022201033
54332132004303201
6150233502014235
713306440136442
oct2065350124117
9454240475075
10144613353551
115636a516a27
122403a87737b
13108385a63b4
146ddc203659
153b65c510bb
hex21aba0a84f

144613353551 has 4 divisors (see below), whose sum is σ = 147064427400. Its totient is φ = 142162279704.

The previous prime is 144613353517. The next prime is 144613353593. The reversal of 144613353551 is 155353316441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155353316441 = 198176490339.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144613353551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144613353499 and 144613353508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144613353151) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1225536836 + ... + 1225536953.

It is an arithmetic number, because the mean of its divisors is an integer number (36766106850).

Almost surely, 2144613353551 is an apocalyptic number.

144613353551 is a deficient number, since it is larger than the sum of its proper divisors (2451073849).

144613353551 is an equidigital number, since it uses as much as digits as its factorization.

144613353551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451073848.

The product of its digits is 324000, while the sum is 41.

Adding to 144613353551 its reverse (155353316441), we get a palindrome (299966669992).

The spelling of 144613353551 in words is "one hundred forty-four billion, six hundred thirteen million, three hundred fifty-three thousand, five hundred fifty-one".

Divisors: 1 59 2451073789 144613353551