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404214441431 = 1901212632531
BaseRepresentation
bin1011110000111010000…
…11101110010111010111
31102122100101210011210012
411320131003232113113
523110312344111211
6505405450150435
741126545030163
oct5703503562727
91378311704705
10404214441431
11146476572649
126640a72241b
132c16a802378
14157c7bb7ca3
15a7ab8cbd8b
hex5e1d0ee5d7

404214441431 has 4 divisors (see below), whose sum is σ = 404427075864. Its totient is φ = 404001807000.

The previous prime is 404214441427. The next prime is 404214441443. The reversal of 404214441431 is 134144412404.

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 404214441431 - 22 = 404214441427 is a prime.

It is a super-2 number, since 2×4042144414312 (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 (404214441331) 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, 106314365 + ... + 106318166.

It is an arithmetic number, because the mean of its divisors is an integer number (101106768966).

Almost surely, 2404214441431 is an apocalyptic number.

404214441431 is a deficient number, since it is larger than the sum of its proper divisors (212634433).

404214441431 is a wasteful number, since it uses less digits than its factorization.

404214441431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212634432.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 404214441431 its reverse (134144412404), we get a palindrome (538358853835).

The spelling of 404214441431 in words is "four hundred four billion, two hundred fourteen million, four hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 1901 212632531 404214441431