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404023311033431 = 23163107768287819
BaseRepresentation
bin101101111011101010000000…
…1111011110110010001010111
31221222112020210012210000022112
41123313110001323312101113
5410424004220111032211
63551141425145221235
7151046502200310155
oct13367240173662127
91858466705700275
10404023311033431
11107809362237751
123939251149181b
131445930899749b
1471aab928bc3d5
1531a989088688b
hex16f7501ef6457

404023311033431 has 8 divisors (see below), whose sum is σ = 424175980859520. Its totient is φ = 384086177783352.

The previous prime is 404023311033371. The next prime is 404023311033499. The reversal of 404023311033431 is 134330113320404.

It is a happy number.

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 404023311033431 - 246 = 333654566855767 is a prime.

It is a super-2 number, since 2×4040233110334312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404023311030431) 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, 53884140161 + ... + 53884147658.

It is an arithmetic number, because the mean of its divisors is an integer number (53021997607440).

Almost surely, 2404023311033431 is an apocalyptic number.

404023311033431 is a deficient number, since it is larger than the sum of its proper divisors (20152669826089).

404023311033431 is a wasteful number, since it uses less digits than its factorization.

404023311033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107768288005.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 404023311033431 its reverse (134330113320404), we get a palindrome (538353424353835).

The spelling of 404023311033431 in words is "four hundred four trillion, twenty-three billion, three hundred eleven million, thirty-three thousand, four hundred thirty-one".

Divisors: 1 23 163 3749 107768287819 2478670619837 17566230914497 404023311033431