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144652067161 = 720664581023
BaseRepresentation
bin1000011010110111101…
…1110110000101011001
3111211101001101101011221
42012231323312011121
54332221412122121
6150241403452041
713310420166220
oct2065573660531
9454331341157
10144652067161
115638a359048
122404b827021
131084360c564
1470033ddcb7
153b6934bb41
hex21adef6159

144652067161 has 4 divisors (see below), whose sum is σ = 165316648192. Its totient is φ = 123987486132.

The previous prime is 144652067141. The next prime is 144652067177. The reversal of 144652067161 is 161760256441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144652067161 - 27 = 144652067033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144652067141) 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, 10332290505 + ... + 10332290518.

It is an arithmetic number, because the mean of its divisors is an integer number (41329162048).

Almost surely, 2144652067161 is an apocalyptic number.

It is an amenable number.

144652067161 is a deficient number, since it is larger than the sum of its proper divisors (20664581031).

144652067161 is an equidigital number, since it uses as much as digits as its factorization.

144652067161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20664581030.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 144652067161 in words is "one hundred forty-four billion, six hundred fifty-two million, sixty-seven thousand, one hundred sixty-one".

Divisors: 1 7 20664581023 144652067161