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1040321101 = 1831568171
BaseRepresentation
bin111110000000100…
…000101001001101
32200111112210021011
4332000200221031
54112310233401
6251121405221
734531404061
oct7600405115
92614483234
101040321101
11494263706
12250499811
131376b6c21
149c245aa1
15614e8451
hex3e020a4d

1040321101 has 4 divisors (see below), whose sum is σ = 1040891104. Its totient is φ = 1039751100.

The previous prime is 1040321083. The next prime is 1040321111. The reversal of 1040321101 is 1011230401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1011230401 = 1465768993.

It is a cyclic number.

It is not a de Polignac number, because 1040321101 - 211 = 1040319053 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 (1040321111) 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, 282255 + ... + 285916.

It is an arithmetic number, because the mean of its divisors is an integer number (260222776).

Almost surely, 21040321101 is an apocalyptic number.

It is an amenable number.

1040321101 is a deficient number, since it is larger than the sum of its proper divisors (570003).

1040321101 is an equidigital number, since it uses as much as digits as its factorization.

1040321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570002.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1040321101 is about 32254.0090686414. The cubic root of 1040321101 is about 1013.2636644041.

Adding to 1040321101 its reverse (1011230401), we get a palindrome (2051551502).

The spelling of 1040321101 in words is "one billion, forty million, three hundred twenty-one thousand, one hundred one".

Divisors: 1 1831 568171 1040321101