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10201001001101 = 79712799248433
BaseRepresentation
bin1001010001110001101100…
…0010101000000010001101
31100010012120022002001200122
42110130123002220002031
52314113122224013401
633410135234034325
72101666212562001
oct224343302500215
940105508061618
1010201001001101
113283247142159
1211890327189a5
1358cc47975431
14273a3413c701
1512a5411e521b
hex9471b0a808d

10201001001101 has 4 divisors (see below), whose sum is σ = 10213800250332. Its totient is φ = 10188201751872.

The previous prime is 10201001001097. The next prime is 10201001001109. The reversal of 10201001001101 is 10110010010201.

It is a happy number.

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 3860828080201 + 6340172920900 = 1964899^2 + 2517970^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201001001101 - 22 = 10201001001097 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 (10201001001109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6399623420 + ... + 6399625013.

It is an arithmetic number, because the mean of its divisors is an integer number (2553450062583).

Almost surely, 210201001001101 is an apocalyptic number.

It is an amenable number.

10201001001101 is a deficient number, since it is larger than the sum of its proper divisors (12799249231).

10201001001101 is an equidigital number, since it uses as much as digits as its factorization.

10201001001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12799249230.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10201001001101 its reverse (10110010010201), we get a palindrome (20311011011302).

The spelling of 10201001001101 in words is "ten trillion, two hundred one billion, one million, one thousand, one hundred one".

Divisors: 1 797 12799248433 10201001001101