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10020450103 = 89112589327
BaseRepresentation
bin10010101010100001…
…11110111100110111
3221212100020121101121
421111100332330313
5131010213400403
64334153004411
7503213264146
oct112520767467
927770217347
1010020450103
114282312524
121b379b3707
13c38cca721
146b0b6775d
153d9a9c3bd
hex25543ef37

10020450103 has 4 divisors (see below), whose sum is σ = 10133039520. Its totient is φ = 9907860688.

The previous prime is 10020450067. The next prime is 10020450157. The reversal of 10020450103 is 30105402001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30105402001 = 52157783881.

It is a cyclic number.

It is not a de Polignac number, because 10020450103 - 29 = 10020449591 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 (10020450203) 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, 56294575 + ... + 56294752.

It is an arithmetic number, because the mean of its divisors is an integer number (2533259880).

Almost surely, 210020450103 is an apocalyptic number.

10020450103 is a deficient number, since it is larger than the sum of its proper divisors (112589417).

10020450103 is an equidigital number, since it uses as much as digits as its factorization.

10020450103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112589416.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 10020450103 its reverse (30105402001), we get a palindrome (40125852104).

The spelling of 10020450103 in words is "ten billion, twenty million, four hundred fifty thousand, one hundred three".

Divisors: 1 89 112589327 10020450103