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10400443441 = 32593191299
BaseRepresentation
bin10011010111110101…
…00010110000110001
3222211211021021020221
421223322202300301
5132300003142231
64440005333041
7515506211353
oct115372426061
928754237227
1010400443441
114457863103
122023107181
13c9995585b
147094010d3
1540d10cd11
hex26bea2c31

10400443441 has 4 divisors (see below), whose sum is σ = 10403638000. Its totient is φ = 10397248884.

The previous prime is 10400443409. The next prime is 10400443489. The reversal of 10400443441 is 14434400401.

It is a happy number.

10400443441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10400443441 - 25 = 10400443409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10400443541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592391 + ... + 1598908.

It is an arithmetic number, because the mean of its divisors is an integer number (2600909500).

Almost surely, 210400443441 is an apocalyptic number.

It is an amenable number.

10400443441 is a deficient number, since it is larger than the sum of its proper divisors (3194559).

10400443441 is an equidigital number, since it uses as much as digits as its factorization.

10400443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194558.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10400443441 its reverse (14434400401), we get a palindrome (24834843842).

The spelling of 10400443441 in words is "ten billion, four hundred million, four hundred forty-three thousand, four hundred forty-one".

Divisors: 1 3259 3191299 10400443441