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2111030101 = 24146119001
BaseRepresentation
bin111110111010011…
…1100001101010101
312110010021102220001
41331310330031111
513310410430401
6545250411301
7103212313465
oct17564741525
95403242801
102111030101
11993692184
124aab90b31
1327848054b
1416051bba5
15c54e5601
hex7dd3c355

2111030101 has 8 divisors (see below), whose sum is σ = 2124499608. Its totient is φ = 2097600000.

The previous prime is 2111030081. The next prime is 2111030107. The reversal of 2111030101 is 1010301112.

It can be written as a sum of positive squares in 4 ways, for example, as 120978001 + 1990052100 = 10999^2 + 44610^2 .

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 2111030101 - 213 = 2111021909 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 (2111030107) 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 7 ways as a sum of consecutive naturals, for example, 101601 + ... + 120601.

It is an arithmetic number, because the mean of its divisors is an integer number (265562451).

Almost surely, 22111030101 is an apocalyptic number.

It is an amenable number.

2111030101 is a deficient number, since it is larger than the sum of its proper divisors (13469507).

2111030101 is a wasteful number, since it uses less digits than its factorization.

2111030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19703.

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

The square root of 2111030101 is about 45945.9476015024. The cubic root of 2111030101 is about 1282.8173013997.

Adding to 2111030101 its reverse (1010301112), we get a palindrome (3121331213).

The spelling of 2111030101 in words is "two billion, one hundred eleven million, thirty thousand, one hundred one".

Divisors: 1 241 461 19001 111101 4579241 8759461 2111030101