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2103400001 = 2239432287
BaseRepresentation
bin111110101011111…
…0101011001000001
312102120220210100202
41331113311121001
513301432300001
6544415054545
7103060414343
oct17527653101
95376823322
102103400001
1198a35060a
124a8511455
13276a0b5b1
1415d4d3293
15c49d996b
hex7d5f5641

2103400001 has 4 divisors (see below), whose sum is σ = 2112832512. Its totient is φ = 2093967492.

The previous prime is 2103399989. The next prime is 2103400031. The reversal of 2103400001 is 1000043012.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 2103400001 - 214 = 2103383617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103400031) 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, 4715921 + ... + 4716366.

It is an arithmetic number, because the mean of its divisors is an integer number (528208128).

Almost surely, 22103400001 is an apocalyptic number.

It is an amenable number.

2103400001 is a deficient number, since it is larger than the sum of its proper divisors (9432511).

2103400001 is an equidigital number, since it uses as much as digits as its factorization.

2103400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432510.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2103400001 is about 45862.8389984746. The cubic root of 2103400001 is about 1281.2698987637.

Adding to 2103400001 its reverse (1000043012), we get a palindrome (3103443013).

The spelling of 2103400001 in words is "two billion, one hundred three million, four hundred thousand, one".

Divisors: 1 223 9432287 2103400001