Search a number
-
+
202104003401 = 313273645137
BaseRepresentation
bin1011110000111001010…
…1100101101101001001
3201022122222100010120022
42330032111211231021
511302402111102101
6232502330110225
720413216453466
oct2741625455511
9638588303508
10202104003401
1178791494093
123320427b375
131609b1ac2c1
149ad36d066d
1553cd02ca1b
hex2f0e565b49

202104003401 has 4 divisors (see below), whose sum is σ = 202104961812. Its totient is φ = 202103044992.

The previous prime is 202104003377. The next prime is 202104003407. The reversal of 202104003401 is 104300401202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22921960000 + 179182043401 = 151400^2 + 423299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202104003401 is a prime.

It is a super-2 number, since 2×2021040034012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202104003401.

It is not an unprimeable number, because it can be changed into a prime (202104003407) 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, 9296 + ... + 635841.

It is an arithmetic number, because the mean of its divisors is an integer number (50526240453).

Almost surely, 2202104003401 is an apocalyptic number.

It is an amenable number.

202104003401 is a deficient number, since it is larger than the sum of its proper divisors (958411).

202104003401 is an equidigital number, since it uses as much as digits as its factorization.

202104003401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958410.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202104003401 its reverse (104300401202), we get a palindrome (306404404603).

The spelling of 202104003401 in words is "two hundred two billion, one hundred four million, three thousand, four hundred one".

Divisors: 1 313273 645137 202104003401