Search a number
-
+
144428744573 = 2935571400141
BaseRepresentation
bin1000011010000010011…
…1111011111101111101
3111210210111011102011222
42012200213323331331
54331242224311243
6150203305123125
713302036034031
oct2064047737575
9453714142158
10144428744573
1156285296523
1223ba8a894a5
131080927a709
146dc18aa1c1
153b54937168
hex21a09fbf7d

144428744573 has 8 divisors (see below), whose sum is σ = 149451157080. Its totient is φ = 139409139520.

The previous prime is 144428744567. The next prime is 144428744597. The reversal of 144428744573 is 375447824441.

It can be written as a sum of positive squares in 4 ways, for example, as 26149153849 + 118279590724 = 161707^2 + 343918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144428744573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144428744533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596918 + ... + 803223.

It is an arithmetic number, because the mean of its divisors is an integer number (18681394635).

Almost surely, 2144428744573 is an apocalyptic number.

It is an amenable number.

144428744573 is a deficient number, since it is larger than the sum of its proper divisors (5022412507).

144428744573 is a wasteful number, since it uses less digits than its factorization.

144428744573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403727.

The product of its digits is 12042240, while the sum is 53.

The spelling of 144428744573 in words is "one hundred forty-four billion, four hundred twenty-eight million, seven hundred forty-four thousand, five hundred seventy-three".

Divisors: 1 29 3557 103153 1400141 40604089 4980301537 144428744573