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440013430141 = 1573337783969
BaseRepresentation
bin1100110011100101101…
…10000001110101111101
31120001202021220020011221
412121302312001311331
524202121414231031
6534050034513341
743534641305515
oct6316266016575
91501667806157
10440013430141
1115a67712372a
127133b735851
133265441381c
1417422468845
15b6a4684a11
hex6672d81d7d

440013430141 has 8 divisors (see below), whose sum is σ = 442834604280. Its totient is φ = 437192491008.

The previous prime is 440013430093. The next prime is 440013430151. The reversal of 440013430141 is 141034310044.

It can be written as a sum of positive squares in 4 ways, for example, as 166018762116 + 273994668025 = 407454^2 + 523445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440013430141 - 223 = 440005041533 is a prime.

It is a super-2 number, since 2×4400134301412 (a number of 24 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 (440013430151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5198205 + ... + 5282173.

It is an arithmetic number, because the mean of its divisors is an integer number (55354325535).

Almost surely, 2440013430141 is an apocalyptic number.

It is an amenable number.

440013430141 is a deficient number, since it is larger than the sum of its proper divisors (2821174139).

440013430141 is a wasteful number, since it uses less digits than its factorization.

440013430141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117503.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 440013430141 its reverse (141034310044), we get a palindrome (581047740185).

The spelling of 440013430141 in words is "four hundred forty billion, thirteen million, four hundred thirty thousand, one hundred forty-one".

Divisors: 1 157 33377 83969 5240189 13183133 2802633313 440013430141