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2103450023 = 9912122553
BaseRepresentation
bin111110101100000…
…0001100110100111
312102121000022222102
41331120001212213
513301440400043
6544420122315
7103061013233
oct17530014647
95377008872
102103450023
1198a385154
124a853639b
13276a282ac
1415d5075c3
15c49e96b8
hex7d6019a7

2103450023 has 4 divisors (see below), whose sum is σ = 2105573568. Its totient is φ = 2101326480.

The previous prime is 2103449983. The next prime is 2103450053. The reversal of 2103450023 is 3200543012.

It is a happy number.

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 2103450023 - 220 = 2102401447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103449977 and 2103450004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103450053) 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, 1060286 + ... + 1062267.

It is an arithmetic number, because the mean of its divisors is an integer number (526393392).

Almost surely, 22103450023 is an apocalyptic number.

2103450023 is a deficient number, since it is larger than the sum of its proper divisors (2123545).

2103450023 is an equidigital number, since it uses as much as digits as its factorization.

2103450023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123544.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2103450023 is about 45863.3843387075. The cubic root of 2103450023 is about 1281.2800555218.

Adding to 2103450023 its reverse (3200543012), we get a palindrome (5303993035).

The spelling of 2103450023 in words is "two billion, one hundred three million, four hundred fifty thousand, twenty-three".

Divisors: 1 991 2122553 2103450023