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144421022201 = 612862182721
BaseRepresentation
bin1000011010000000101…
…0011110100111111001
3111210202221122002002012
42012200022132213321
54331233240202301
6150202431415305
713301613301601
oct2064012364771
9453687562065
10144421022201
11562809a15a5
1223ba6384535
13108077a5771
146dc0859c01
153b53e0debb
hex21a029e9f9

144421022201 has 8 divisors (see below), whose sum is σ = 146795483208. Its totient is φ = 142046784000.

The previous prime is 144421022177. The next prime is 144421022203. The reversal of 144421022201 is 102220124441.

It can be written as a sum of positive squares in 4 ways, for example, as 27695616400 + 116725405801 = 166420^2 + 341651^2 .

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-144421022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144421022203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704521 + ... + 1787241.

It is an arithmetic number, because the mean of its divisors is an integer number (18349435401).

Almost surely, 2144421022201 is an apocalyptic number.

It is an amenable number.

144421022201 is a deficient number, since it is larger than the sum of its proper divisors (2374461007).

144421022201 is an equidigital number, since it uses as much as digits as its factorization.

144421022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111403.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 144421022201 its reverse (102220124441), we get a palindrome (246641146642).

The spelling of 144421022201 in words is "one hundred forty-four billion, four hundred twenty-one million, twenty-two thousand, two hundred one".

Divisors: 1 61 28621 82721 1745881 5045981 2367557741 144421022201