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404140110141421 = 2393734533412343
BaseRepresentation
bin101101111100100000011001…
…1101101000101011111101101
31221222221102021010220110110001
41123321000303231011133231
5410432412421144011141
63551311223055344301
7151061105451325663
oct13371006355053755
91858842233813401
10404140110141421
1110785394929a275
12393b1089222091
131446733098ccc4
1471b26b2a86c33
1531ac929814a31
hex16f9033b457ed

404140110141421 has 8 divisors (see below), whose sum is σ = 406919091997440. Its totient is φ = 401370195111312.

The previous prime is 404140110141419. The next prime is 404140110141487. The reversal of 404140110141421 is 124141011041404.

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 404140110141421 - 21 = 404140110141419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404140110141421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404140110141721) 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, 2266617025 + ... + 2266795318.

It is an arithmetic number, because the mean of its divisors is an integer number (50864886499680).

Almost surely, 2404140110141421 is an apocalyptic number.

It is an amenable number.

404140110141421 is a deficient number, since it is larger than the sum of its proper divisors (2778981856019).

404140110141421 is a wasteful number, since it uses less digits than its factorization.

404140110141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533412955.

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 404140110141421 its reverse (124141011041404), we get a palindrome (528281121182825).

The spelling of 404140110141421 in words is "four hundred four trillion, one hundred forty billion, one hundred ten million, one hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 239 373 89147 4533412343 1083485549977 1690962803939 404140110141421