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1404310213021 = 4332658377047
BaseRepresentation
bin10100011011110111011…
…010010101000110011101
311222020202210102022012011
4110123313122111012131
5141002011403304041
62553044201311221
7203313054600532
oct24336732250635
94866683368164
101404310213021
114a1623561111
121a81b8795511
13a256c890b91
144bd7cc30d89
15267e175ee81
hex146f769519d

1404310213021 has 4 divisors (see below), whose sum is σ = 1436968590112. Its totient is φ = 1371651835932.

The previous prime is 1404310212973. The next prime is 1404310213027. The reversal of 1404310213021 is 1203120134041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1404310213021 - 215 = 1404310180253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404310212983 and 1404310213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404310213027) 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, 16329188481 + ... + 16329188566.

It is an arithmetic number, because the mean of its divisors is an integer number (359242147528).

Almost surely, 21404310213021 is an apocalyptic number.

It is an amenable number.

1404310213021 is a deficient number, since it is larger than the sum of its proper divisors (32658377091).

1404310213021 is an equidigital number, since it uses as much as digits as its factorization.

1404310213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32658377090.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1404310213021 its reverse (1203120134041), we get a palindrome (2607430347062).

The spelling of 1404310213021 in words is "one trillion, four hundred four billion, three hundred ten million, two hundred thirteen thousand, twenty-one".

Divisors: 1 43 32658377047 1404310213021