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2100131101 = 6203338567
BaseRepresentation
bin111110100101101…
…0111010100011101
312102100202201021101
41331023113110131
513300113143401
6544221033101
7103020551125
oct17513272435
95370681241
102100131101
11988518642
124a73b5791
13276135733
1415ccc1c85
15c4591101
hex7d2d751d

2100131101 has 4 divisors (see below), whose sum is σ = 2100475872. Its totient is φ = 2099786332.

The previous prime is 2100131083. The next prime is 2100131107. The reversal of 2100131101 is 1011310012.

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 2100131101 - 229 = 1563260189 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 (2100131107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163081 + ... + 175486.

It is an arithmetic number, because the mean of its divisors is an integer number (525118968).

Almost surely, 22100131101 is an apocalyptic number.

It is an amenable number.

2100131101 is a deficient number, since it is larger than the sum of its proper divisors (344771).

2100131101 is an equidigital number, since it uses as much as digits as its factorization.

2100131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344770.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2100131101 is about 45827.1873564154. The cubic root of 2100131101 is about 1280.6058128789.

Adding to 2100131101 its reverse (1011310012), we get a palindrome (3111441113).

The spelling of 2100131101 in words is "two billion, one hundred million, one hundred thirty-one thousand, one hundred one".

Divisors: 1 6203 338567 2100131101