Base | Representation |
---|---|
bin | 1001010001110000001100… |
… | …11010011010000111010001 |
3 | 2200020100001212021002122002 |
4 | 10220320012122122013101 |
5 | 10133223130233221001 |
6 | 111220103302323345 |
7 | 4203636544556420 |
oct | 450700632320721 |
9 | 80210055232562 |
10 | 20401202242001 |
11 | 6556112897669 |
12 | 2355a81429555 |
13 | b4ca95a1cb79 |
14 | 5075cdd752b7 |
15 | 255a370ae46b |
hex | 128e0669a1d1 |
20401202242001 has 8 divisors (see below), whose sum is σ = 23322827164224. Its totient is φ = 17481369184560.
The previous prime is 20401202241997. The next prime is 20401202242039. The reversal of 20401202242001 is 10024220210402.
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 20401202242001 - 22 = 20401202241997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20401202242051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447941795 + ... + 447987336.
It is an arithmetic number, because the mean of its divisors is an integer number (2915353395528).
Almost surely, 220401202242001 is an apocalyptic number.
It is an amenable number.
20401202242001 is a deficient number, since it is larger than the sum of its proper divisors (2921624922223).
20401202242001 is an equidigital number, since it uses as much as digits as its factorization.
20401202242001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 895932391.
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 20401202242001 its reverse (10024220210402), we get a palindrome (30425422452403).
The spelling of 20401202242001 in words is "twenty trillion, four hundred one billion, two hundred two million, two hundred forty-two thousand, one".
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