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144210220001 = 197590011579
BaseRepresentation
bin1000011001001110011…
…0010101001111100001
3111210020020222012211022
42012103212111033201
54330320304020001
6150125501255225
713263443434121
oct2062346251741
9453206865738
10144210220001
1156182a00801
1223b47864515
13107a2c08733
146da0864c81
153b4066e11b
hex21939953e1

144210220001 has 4 divisors (see below), whose sum is σ = 151800231600. Its totient is φ = 136620208404.

The previous prime is 144210219913. The next prime is 144210220009. The reversal of 144210220001 is 100022012441.

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 144210220001 - 222 = 144206025697 is a prime.

It is a super-3 number, since 3×1442102200013 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144210220009) 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, 3795005771 + ... + 3795005808.

It is an arithmetic number, because the mean of its divisors is an integer number (37950057900).

Almost surely, 2144210220001 is an apocalyptic number.

It is an amenable number.

144210220001 is a deficient number, since it is larger than the sum of its proper divisors (7590011599).

144210220001 is an equidigital number, since it uses as much as digits as its factorization.

144210220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590011598.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 144210220001 its reverse (100022012441), we get a palindrome (244232232442).

The spelling of 144210220001 in words is "one hundred forty-four billion, two hundred ten million, two hundred twenty thousand, one".

Divisors: 1 19 7590011579 144210220001