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404221304001031 = 1149973642066679
BaseRepresentation
bin101101111101000110001101…
…1001111000101001000000111
31222000020011211200110212221121
41123322030123033011020013
5410440230212311013111
63551412411541454411
7151100011510622566
oct13372143317051007
91860204750425847
10404221304001031
11107885324098790
1239404968a11407
1314471ba024940a
1471b65b61d3bdd
1531aeacca09871
hex16fa31b3c5207

404221304001031 has 8 divisors (see below), whose sum is σ = 441852400080000. Its totient is φ = 366737492056440.

The previous prime is 404221304000981. The next prime is 404221304001049. The reversal of 404221304001031 is 130100403122404.

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 404221304001031 - 213 = 404221303992839 is a prime.

It is a super-2 number, since 2×4042213040010312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404221304000987 and 404221304001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404221304001071) 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, 36821027851 + ... + 36821038828.

It is an arithmetic number, because the mean of its divisors is an integer number (55231550010000).

Almost surely, 2404221304001031 is an apocalyptic number.

404221304001031 is a deficient number, since it is larger than the sum of its proper divisors (37631096078969).

404221304001031 is a wasteful number, since it uses less digits than its factorization.

404221304001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73642067189.

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

Adding to 404221304001031 its reverse (130100403122404), we get a palindrome (534321707123435).

The spelling of 404221304001031 in words is "four hundred four trillion, two hundred twenty-one billion, three hundred four million, one thousand, thirty-one".

Divisors: 1 11 499 5489 73642066679 810062733469 36747391272821 404221304001031