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1038401101 = 2293452857
BaseRepresentation
bin111101111001001…
…011111001001101
32200100221020112001
4331321023321031
54111312313401
6251012312301
734506156313
oct7571137115
92610836461
101038401101
11493172131
1224b912691
1313719402a
149bca60b3
1561269601
hex3de4be4d

1038401101 has 4 divisors (see below), whose sum is σ = 1038856252. Its totient is φ = 1037945952.

The previous prime is 1038401071. The next prime is 1038401113. The reversal of 1038401101 is 1011048301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1011048301 = 2003504767.

It can be written as a sum of positive squares in 2 ways, for example, as 397045476 + 641355625 = 19926^2 + 25325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1038401101 - 211 = 1038399053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038471101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224136 + ... + 228721.

It is an arithmetic number, because the mean of its divisors is an integer number (259714063).

Almost surely, 21038401101 is an apocalyptic number.

It is an amenable number.

1038401101 is a deficient number, since it is larger than the sum of its proper divisors (455151).

1038401101 is an equidigital number, since it uses as much as digits as its factorization.

1038401101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455150.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1038401101 is about 32224.2315812185. The cubic root of 1038401101 is about 1012.6399261170.

Adding to 1038401101 its reverse (1011048301), we get a palindrome (2049449402).

The spelling of 1038401101 in words is "one billion, thirty-eight million, four hundred one thousand, one hundred one".

Divisors: 1 2293 452857 1038401101