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144001425631361 = 314645207278431
BaseRepresentation
bin100000101111011111110001…
…110100100110100010000001
3200212212101211221111211002212
4200233133301310212202001
5122333304404430200421
61230133201445151505
742221521365666644
oct4057376164464201
9625771757454085
10144001425631361
1141979730728851
12141985360bb595
13624737899028c
14277b9c5ad1a5b
15119ac1a700e5b
hex82f7f1d26881

144001425631361 has 4 divisors (see below), whose sum is σ = 148646632909824. Its totient is φ = 139356218352900.

The previous prime is 144001425631351. The next prime is 144001425631363. The reversal of 144001425631361 is 163136524100441.

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 a de Polignac number, because none of the positive numbers 2k-144001425631361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144001425631363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322603639185 + ... + 2322603639246.

It is an arithmetic number, because the mean of its divisors is an integer number (37161658227456).

Almost surely, 2144001425631361 is an apocalyptic number.

It is an amenable number.

144001425631361 is a deficient number, since it is larger than the sum of its proper divisors (4645207278463).

144001425631361 is an equidigital number, since it uses as much as digits as its factorization.

144001425631361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645207278462.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 144001425631361 in words is "one hundred forty-four trillion, one billion, four hundred twenty-five million, six hundred thirty-one thousand, three hundred sixty-one".

Divisors: 1 31 4645207278431 144001425631361