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10100312003 = 82021123143
BaseRepresentation
bin10010110100000011…
…01000011111000011
3222001220112000022202
421122001220133003
5131141134441003
64350124423415
7505203143525
oct113201503703
928056460282
1010100312003
1143133a99a1
121b5a6a7b6b
13c4c70cca2
146bb5d5a15
153e1ac5088
hex25a0687c3

10100312003 has 4 divisors (see below), whose sum is σ = 10100517168. Its totient is φ = 10100106840.

The previous prime is 10100311999. The next prime is 10100312041. The reversal of 10100312003 is 30021300101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10100312003 - 22 = 10100311999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100312083) 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, 20450 + ... + 143592.

It is an arithmetic number, because the mean of its divisors is an integer number (2525129292).

Almost surely, 210100312003 is an apocalyptic number.

10100312003 is a deficient number, since it is larger than the sum of its proper divisors (205165).

10100312003 is an equidigital number, since it uses as much as digits as its factorization.

10100312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205164.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10100312003 its reverse (30021300101), we get a palindrome (40121612104).

The spelling of 10100312003 in words is "ten billion, one hundred million, three hundred twelve thousand, three".

Divisors: 1 82021 123143 10100312003