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404382383693 = 839481981387
BaseRepresentation
bin1011110001001110001…
…00010111111001001101
31102122210002210112020222
411320213010113321031
523111133342234233
6505434245521125
741133654355601
oct5704704277115
91378702715228
10404382383693
1114655234a102
1266456a131a5
132c196543ba2
1415802213501
15a7bb502898
hex5e27117e4d

404382383693 has 4 divisors (see below), whose sum is σ = 404864365920. Its totient is φ = 403900401468.

The previous prime is 404382383659. The next prime is 404382383711. The reversal of 404382383693 is 396383283404.

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 404382383693 - 28 = 404382383437 is a prime.

It is a super-2 number, since 2×4043823836932 (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 (404382382693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240989855 + ... + 240991532.

It is an arithmetic number, because the mean of its divisors is an integer number (101216091480).

Almost surely, 2404382383693 is an apocalyptic number.

It is an amenable number.

404382383693 is a deficient number, since it is larger than the sum of its proper divisors (481982227).

404382383693 is an equidigital number, since it uses as much as digits as its factorization.

404382383693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481982226.

The product of its (nonzero) digits is 8957952, while the sum is 53.

The spelling of 404382383693 in words is "four hundred four billion, three hundred eighty-two million, three hundred eighty-three thousand, six hundred ninety-three".

Divisors: 1 839 481981387 404382383693