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144210131421025 = 525768405256841
BaseRepresentation
bin100000110010100010001001…
…101010000000011101100001
3200220121100120000021102220111
4200302202021222000131201
5122400214322120433100
61230413115250411321
742242560330640635
oct4062421152003541
9626540500242814
10144210131421025
1141a4a19a70063a
1214210a81290b41
136260c5980ac87
142787b440c0dc5
1511a13830d86ba
hex832889a80761

144210131421025 has 6 divisors (see below), whose sum is σ = 178820562962102. Its totient is φ = 115368105136800.

The previous prime is 144210131420981. The next prime is 144210131421053. The reversal of 144210131421025 is 520124131012441.

It can be written as a sum of positive squares in 3 ways, for example, as 15192314743824 + 129017816677201 = 3897732^2 + 11358601^2 .

It is not a de Polignac number, because 144210131421025 - 221 = 144210129323873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2884202628396 + ... + 2884202628445.

Almost surely, 2144210131421025 is an apocalyptic number.

It is an amenable number.

144210131421025 is a deficient number, since it is larger than the sum of its proper divisors (34610431541077).

144210131421025 is an equidigital number, since it uses as much as digits as its factorization.

144210131421025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768405256851 (or 5768405256846 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 144210131421025 its reverse (520124131012441), we get a palindrome (664334262433466).

The spelling of 144210131421025 in words is "one hundred forty-four trillion, two hundred ten billion, one hundred thirty-one million, four hundred twenty-one thousand, twenty-five".

Divisors: 1 5 25 5768405256841 28842026284205 144210131421025