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20100010110001 = 54799366795199
BaseRepresentation
bin1001001000111111001011…
…11101100110110000110001
32122011112122021010111012221
410210133211331212300301
510113304310042010001
6110425452301521041
74143114662645413
oct444374575466061
978145567114187
1020100010110001
11644a403778a08
122307624873181
13b2a565c23113
144d6bba7909b3
1524cca9e1b1a1
hex1247e5f66c31

20100010110001 has 4 divisors (see below), whose sum is σ = 20100376960000. Its totient is φ = 20099643260004.

The previous prime is 20100010109981. The next prime is 20100010110049. The reversal of 20100010110001 is 10001101000102.

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 20100010110001 - 29 = 20100010109489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100010110101) 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, 183342801 + ... + 183452398.

It is an arithmetic number, because the mean of its divisors is an integer number (5025094240000).

Almost surely, 220100010110001 is an apocalyptic number.

It is an amenable number.

20100010110001 is a deficient number, since it is larger than the sum of its proper divisors (366849999).

20100010110001 is an equidigital number, since it uses as much as digits as its factorization.

20100010110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366849998.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 20100010110001 its reverse (10001101000102), we get a palindrome (30101111110103).

It can be divided in two parts, 201000101 and 10001, that added together give a palindrome (201010102).

The spelling of 20100010110001 in words is "twenty trillion, one hundred billion, ten million, one hundred ten thousand, one".

Divisors: 1 54799 366795199 20100010110001