Base | Representation |
---|---|
bin | 10011001000010111… |
… | …010001000001001001 |
3 | 1222000120021211001212 |
4 | 103020113101001021 |
5 | 314032100131101 |
6 | 13234145422505 |
7 | 1325015054540 |
oct | 231027210111 |
9 | 58016254055 |
10 | 20541411401 |
11 | 8791100465 |
12 | 3b9333aa35 |
13 | 1c248cbb04 |
14 | dcc17b157 |
15 | 8035641bb |
hex | 4c85d1049 |
20541411401 has 4 divisors (see below), whose sum is σ = 23475898752. Its totient is φ = 17606924052.
The previous prime is 20541411311. The next prime is 20541411403. The reversal of 20541411401 is 10411414502.
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 20541411401 - 230 = 19467669577 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20541411403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1467243665 + ... + 1467243678.
It is an arithmetic number, because the mean of its divisors is an integer number (5868974688).
Almost surely, 220541411401 is an apocalyptic number.
It is an amenable number.
20541411401 is a deficient number, since it is larger than the sum of its proper divisors (2934487351).
20541411401 is an equidigital number, since it uses as much as digits as its factorization.
20541411401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2934487350.
The product of its (nonzero) digits is 640, while the sum is 23.
Adding to 20541411401 its reverse (10411414502), we get a palindrome (30952825903).
The spelling of 20541411401 in words is "twenty billion, five hundred forty-one million, four hundred eleven thousand, four hundred one".
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