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144120040220401 = 7373171755356567
BaseRepresentation
bin100000110001001110001111…
…110011010110011011110001
3200220021202000101210021001021
4200301032033303112123301
5122342230320244023101
61230303455451335441
742233220643241230
oct4061161763263361
9626252011707037
10144120040220401
1141a14a69559133
12141b7519a51581
1362555ccb3643b
142783639042b17
15119dd5dc445a1
hex83138fcd66f1

144120040220401 has 16 divisors (see below), whose sum is σ = 169693830141696. Its totient is φ = 119813617768896.

The previous prime is 144120040220381. The next prime is 144120040220449. The reversal of 144120040220401 is 104022040021441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144120040220401 - 25 = 144120040220369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144120040250401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877596181 + ... + 877760386.

It is an arithmetic number, because the mean of its divisors is an integer number (10605864383856).

Almost surely, 2144120040220401 is an apocalyptic number.

It is an amenable number.

144120040220401 is a deficient number, since it is larger than the sum of its proper divisors (25573789921295).

144120040220401 is a wasteful number, since it uses less digits than its factorization.

144120040220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755356928.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 144120040220401 its reverse (104022040021441), we get a palindrome (248142080241842).

The spelling of 144120040220401 in words is "one hundred forty-four trillion, one hundred twenty billion, forty million, two hundred twenty thousand, four hundred one".

Divisors: 1 7 37 259 317 2219 11729 82103 1755356567 12287495969 64948192979 454637350853 556448031739 3895136222173 20588577174343 144120040220401