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2102031233 = 397213337
BaseRepresentation
bin111110101001010…
…0111001110000001
312102111100020202122
41331102213032001
513301104444413
6544325454025
7103042653641
oct17522471601
95374306678
102102031233
119895a61a5
124a7b71315
1327664c583
1415d258521
15c4819108
hex7d4a7381

2102031233 has 6 divisors (see below), whose sum is σ = 2107497366. Its totient is φ = 2096579232.

The previous prime is 2102031223. The next prime is 2102031257. The reversal of 2102031233 is 3321302012.

It can be written as a sum of positive squares in 3 ways, for example, as 402283249 + 1699747984 = 20057^2 + 41228^2 .

It is not a de Polignac number, because 2102031233 - 220 = 2100982657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102031223) 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, 150941 + ... + 164277.

It is an arithmetic number, because the mean of its divisors is an integer number (351249561).

Almost surely, 22102031233 is an apocalyptic number.

It is an amenable number.

2102031233 is a deficient number, since it is larger than the sum of its proper divisors (5466133).

2102031233 is an frugal number, since it uses more digits than its factorization.

2102031233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14131 (or 13734 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2102031233 is about 45847.9141619333. The cubic root of 2102031233 is about 1280.9919136304.

Adding to 2102031233 its reverse (3321302012), we get a palindrome (5423333245).

The spelling of 2102031233 in words is "two billion, one hundred two million, thirty-one thousand, two hundred thirty-three".

Divisors: 1 397 13337 157609 5294789 2102031233