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20210011012001 = 672803110761013
BaseRepresentation
bin1001001100001100000101…
…00001101111101110100001
32122120001120102020021220102
410212012002201233232201
510122110100304341001
6110552203442552145
74154060625123536
oct446060241575641
978501512207812
1020210011012001
116492021384778
122324a03968655
13b37a46677745
144dc253b2ad8d
15250a97140e6b
hex12618286fba1

20210011012001 has 8 divisors (see below), whose sum is σ = 20512386622464. Its totient is φ = 19907656979760.

The previous prime is 20210011011979. The next prime is 20210011012027. The reversal of 20210011012001 is 10021011001202.

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 20210011012001 - 242 = 15811964500897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20210011012201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3502430 + ... + 7258583.

It is an arithmetic number, because the mean of its divisors is an integer number (2564048327808).

Almost surely, 220210011012001 is an apocalyptic number.

It is an amenable number.

20210011012001 is a deficient number, since it is larger than the sum of its proper divisors (302375610463).

20210011012001 is a wasteful number, since it uses less digits than its factorization.

20210011012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10789111.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20210011012001 its reverse (10021011001202), we get a palindrome (30231022013203).

The spelling of 20210011012001 in words is "twenty trillion, two hundred ten billion, eleven million, twelve thousand, one".

Divisors: 1 67 28031 1878077 10761013 720987871 301641955403 20210011012001