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444130424003431 = 1140375493091221
BaseRepresentation
bin110010011111011110010110…
…0001010000001101101100111
32011020112110020212122200101001
41210332330230022001231213
5431203113102021102211
64212330411120214131
7162356235635523244
oct14476745412015547
92136473225580331
10444130424003431
11119571722991520
124198b55046a347
13160a841c5ac769
147b960549805cb
153652cb8ebeac1
hex193ef2c281b67

444130424003431 has 4 divisors (see below), whose sum is σ = 484505917094664. Its totient is φ = 403754930912200.

The previous prime is 444130424003423. The next prime is 444130424003443. The reversal of 444130424003431 is 134300424031444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444130424003431 - 23 = 444130424003423 is a prime.

It is a super-2 number, since 2×4441304240034312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444130424009431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20187746545600 + ... + 20187746545621.

It is an arithmetic number, because the mean of its divisors is an integer number (121126479273666).

Almost surely, 2444130424003431 is an apocalyptic number.

444130424003431 is a deficient number, since it is larger than the sum of its proper divisors (40375493091233).

444130424003431 is a wasteful number, since it uses less digits than its factorization.

444130424003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40375493091232.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 444130424003431 its reverse (134300424031444), we get a palindrome (578430848034875).

The spelling of 444130424003431 in words is "four hundred forty-four trillion, one hundred thirty billion, four hundred twenty-four million, three thousand, four hundred thirty-one".

Divisors: 1 11 40375493091221 444130424003431