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1100010101 = 5918644239
BaseRepresentation
bin100000110010000…
…1101001001110101
32211122212022011212
41001210031021311
54223100310401
6301053011205
736154634351
oct10144151165
92748768155
101100010101
11514a21963
12268483b05
13146b85468
14a6142461
1566888dbb
hex4190d275

1100010101 has 4 divisors (see below), whose sum is σ = 1118654400. Its totient is φ = 1081365804.

The previous prime is 1100010097. The next prime is 1100010103. The reversal of 1100010101 is 1010100011.

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 1100010101 - 22 = 1100010097 is a prime.

It is a Duffinian number.

1100010101 is a modest number, since divided by 10101 gives 1100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9322061 + ... + 9322178.

It is an arithmetic number, because the mean of its divisors is an integer number (279663600).

Almost surely, 21100010101 is an apocalyptic number.

It is an amenable number.

1100010101 is a deficient number, since it is larger than the sum of its proper divisors (18644299).

1100010101 is an equidigital number, since it uses as much as digits as its factorization.

1100010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644298.

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 1100010101 is about 33166.4001815090. The cubic root of 1100010101 is about 1032.2832751623.

Adding to 1100010101 its reverse (1010100011), we get a palindrome (2110110112).

The spelling of 1100010101 in words is "one billion, one hundred million, ten thousand, one hundred one".

Divisors: 1 59 18644239 1100010101