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10100045243 = 21147867513
BaseRepresentation
bin10010110100000001…
…00111010110111011
3222001220000110101202
421122000213112323
5131141102421433
64350115004415
7505200653021
oct113200472673
928056013352
1010100045243
114313237532
121b5a59970b
13c4c648742
146bb566711
153e1a70ee8
hex25a0275bb

10100045243 has 4 divisors (see below), whose sum is σ = 10147912968. Its totient is φ = 10052177520.

The previous prime is 10100045237. The next prime is 10100045257. The reversal of 10100045243 is 34254000101.

10100045243 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 an emirpimes, since its reverse is a distinct semiprime: 34254000101 = 245171397153.

It is a cyclic number.

It is not a de Polignac number, because 10100045243 - 214 = 10100028859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100045233) 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, 23933546 + ... + 23933967.

It is an arithmetic number, because the mean of its divisors is an integer number (2536978242).

Almost surely, 210100045243 is an apocalyptic number.

10100045243 is a deficient number, since it is larger than the sum of its proper divisors (47867725).

10100045243 is an equidigital number, since it uses as much as digits as its factorization.

10100045243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47867724.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 10100045243 its reverse (34254000101), we get a palindrome (44354045344).

The spelling of 10100045243 in words is "ten billion, one hundred million, forty-five thousand, two hundred forty-three".

Divisors: 1 211 47867513 10100045243