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2103269321 = 1312122561
BaseRepresentation
bin111110101011101…
…0101011111001001
312102120200011002202
41331113111133021
513301414104241
6544412205545
7103056331346
oct17527253711
95376604082
102103269321
1198a27140a
124a84698b5
13276993c7a
1415d49b7cd
15c49b0d9b
hex7d5d57c9

2103269321 has 6 divisors (see below), whose sum is σ = 2119464666. Its totient is φ = 2087196800.

The previous prime is 2103269279. The next prime is 2103269381. The reversal of 2103269321 is 1239623012.

It can be written as a sum of positive squares in only one way, i.e., 2030764096 + 72505225 = 45064^2 + 8515^2 .

It is a de Polignac number, because none of the positive numbers 2k-2103269321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103269381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44120 + ... + 78441.

It is an arithmetic number, because the mean of its divisors is an integer number (353244111).

Almost surely, 22103269321 is an apocalyptic number.

It is an amenable number.

2103269321 is a deficient number, since it is larger than the sum of its proper divisors (16195345).

2103269321 is an equidigital number, since it uses as much as digits as its factorization.

2103269321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122823 (or 122692 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2103269321 is about 45861.4142934995. The cubic root of 2103269321 is about 1281.2433639759.

The spelling of 2103269321 in words is "two billion, one hundred three million, two hundred sixty-nine thousand, three hundred twenty-one".

Divisors: 1 131 17161 122561 16055491 2103269321