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10000010001001 = 29344827931069
BaseRepresentation
bin1001000110000100111100…
…0010110011101001101001
31022101222202220001100121211
42101201033002303221221
52302320010030013001
633133535143233121
72051322366346606
oct221411702635151
938358686040554
1010000010001001
113205a86a44a09
12115609b1487a1
13576cc624a687
142680085b36ad
151251cac6b351
hex9184f0b3a69

10000010001001 has 4 divisors (see below), whose sum is σ = 10344837932100. Its totient is φ = 9655182069904.

The previous prime is 10000010000971. The next prime is 10000010001013. The reversal of 10000010001001 is 10010001000001.

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 6218739187600 + 3781270813401 = 2493740^2 + 1944549^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000010001001 - 221 = 10000007903849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000010001901) 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, 172413965506 + ... + 172413965563.

It is an arithmetic number, because the mean of its divisors is an integer number (2586209483025).

Almost surely, 210000010001001 is an apocalyptic number.

It is an amenable number.

10000010001001 is a deficient number, since it is larger than the sum of its proper divisors (344827931099).

10000010001001 is an equidigital number, since it uses as much as digits as its factorization.

10000010001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344827931098.

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 10000010001001 its reverse (10010001000001), we get a palindrome (20010011001002).

The spelling of 10000010001001 in words is "ten trillion, ten million, one thousand, one".

Divisors: 1 29 344827931069 10000010001001