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3101112197 = 7342480989
BaseRepresentation
bin1011100011010111…
…0011011110000101
322000010021211012022
42320311303132011
522322341042242
61231415332525
7136564006301
oct27065633605
98003254168
103101112197
111351551547
12726681145
133a5627341
14215c06d01
151323b80d2
hexb8d73785

3101112197 has 4 divisors (see below), whose sum is σ = 3143593260. Its totient is φ = 3058631136.

The previous prime is 3101112109. The next prime is 3101112211. The reversal of 3101112197 is 7912111013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1321031716 + 1780080481 = 36346^2 + 42191^2 .

It is a cyclic number.

It is not a de Polignac number, because 3101112197 - 214 = 3101095813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101112107) 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, 21240422 + ... + 21240567.

It is an arithmetic number, because the mean of its divisors is an integer number (785898315).

Almost surely, 23101112197 is an apocalyptic number.

It is an amenable number.

3101112197 is a deficient number, since it is larger than the sum of its proper divisors (42481063).

3101112197 is an equidigital number, since it uses as much as digits as its factorization.

3101112197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42481062.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 3101112197 is about 55687.6305565248. The cubic root of 3101112197 is about 1458.2740906923.

The spelling of 3101112197 in words is "three billion, one hundred one million, one hundred twelve thousand, one hundred ninety-seven".

Divisors: 1 73 42480989 3101112197