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2103214123 = 5940188897
BaseRepresentation
bin111110101011100…
…1000000000101011
312102120120100101101
41331113020000223
513301410322443
6544411102231
7103056011413
oct17527100053
95376510341
102103214123
1198a23399a
124a8441977
13276974aca
1415d485643
15c499e84d
hex7d5c802b

2103214123 has 8 divisors (see below), whose sum is σ = 2144219760. Its totient is φ = 2062387200.

The previous prime is 2103214117. The next prime is 2103214133. The reversal of 2103214123 is 3214123012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103214123 - 29 = 2103213611 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103214123.

It is not an unprimeable number, because it can be changed into a prime (2103214103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20790 + ... + 68107.

It is an arithmetic number, because the mean of its divisors is an integer number (268027470).

Almost surely, 22103214123 is an apocalyptic number.

2103214123 is a deficient number, since it is larger than the sum of its proper divisors (41005637).

2103214123 is an equidigital number, since it uses as much as digits as its factorization.

2103214123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89357.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2103214123 is about 45860.8124982539. The cubic root of 2103214123 is about 1281.2321556016.

Adding to 2103214123 its reverse (3214123012), we get a palindrome (5317337135).

The spelling of 2103214123 in words is "two billion, one hundred three million, two hundred fourteen thousand, one hundred twenty-three".

Divisors: 1 59 401 23659 88897 5244923 35647697 2103214123