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144420202401 = 3417373321943
BaseRepresentation
bin1000011010000000011…
…1010110011110100001
3111210202220002102112020
42012200013112132201
54331233032434101
6150202402052053
713301603315526
oct2064007263641
9453686072466
10144420202401
1156280491682
1223ba604a029
1310807579587
146dc06c514d
153b53ceb136
hex21a01d67a1

144420202401 has 32 divisors (see below), whose sum is σ = 200240931072. Its totient is φ = 92514493440.

The previous prime is 144420202369. The next prime is 144420202411. The reversal of 144420202401 is 104202024441.

It is not a de Polignac number, because 144420202401 - 25 = 144420202369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144420202411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6570636 + ... + 6592578.

It is an arithmetic number, because the mean of its divisors is an integer number (6257529096).

Almost surely, 2144420202401 is an apocalyptic number.

It is an amenable number.

144420202401 is a deficient number, since it is larger than the sum of its proper divisors (55820728671).

144420202401 is a wasteful number, since it uses less digits than its factorization.

144420202401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22793.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 144420202401 its reverse (104202024441), we get a palindrome (248622226842).

The spelling of 144420202401 in words is "one hundred forty-four billion, four hundred twenty million, two hundred two thousand, four hundred one".

Divisors: 1 3 41 73 123 219 733 2199 2993 8979 21943 30053 53509 65829 90159 160527 899663 1601839 2193869 2698989 4805517 6581607 16084219 48252657 65675399 197026197 659452979 1174147987 1978358937 3522443961 48140067467 144420202401