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404312230141 = 413537977693
BaseRepresentation
bin1011110001000101110…
…00110000100011111101
31102122121012210100200021
411320202320300203331
523111012412331031
6505423302132141
741132143152361
oct5704270604375
91378535710607
10404312230141
11146516793766
1266437421051
132c184b50501
14157d6b912a1
15a7b5296511
hex5e22e308fd

404312230141 has 4 divisors (see below), whose sum is σ = 404313621372. Its totient is φ = 404310838912.

The previous prime is 404312230067. The next prime is 404312230151. The reversal of 404312230141 is 141032213404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 206687527641 + 197624702500 = 454629^2 + 444550^2 .

It is a cyclic number.

It is not a de Polignac number, because 404312230141 - 231 = 402164746493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404312230151) 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, 75310 + ... + 902383.

It is an arithmetic number, because the mean of its divisors is an integer number (101078405343).

Almost surely, 2404312230141 is an apocalyptic number.

It is an amenable number.

404312230141 is a deficient number, since it is larger than the sum of its proper divisors (1391231).

404312230141 is an equidigital number, since it uses as much as digits as its factorization.

404312230141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391230.

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

Adding to 404312230141 its reverse (141032213404), we get a palindrome (545344443545).

The spelling of 404312230141 in words is "four hundred four billion, three hundred twelve million, two hundred thirty thousand, one hundred forty-one".

Divisors: 1 413537 977693 404312230141