Search a number
-
+
10020201001 = 17357920237
BaseRepresentation
bin10010101010100000…
…00010001000101001
3221212022202221200121
421111100002020221
5131010132413001
64334143403241
7503211205666
oct112520021051
927768687617
1010020201001
114282162358
121b378b3521
13c38c41225
146b0b00a6d
153d9a4d6a1
hex255402229

10020201001 has 4 divisors (see below), whose sum is σ = 10078121412. Its totient is φ = 9962280592.

The previous prime is 10020200989. The next prime is 10020201043. The reversal of 10020201001 is 10010202001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9239054400 + 781146601 = 96120^2 + 27949^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020201001 - 25 = 10020200969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020208001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28959946 + ... + 28960291.

It is an arithmetic number, because the mean of its divisors is an integer number (2519530353).

Almost surely, 210020201001 is an apocalyptic number.

It is an amenable number.

10020201001 is a deficient number, since it is larger than the sum of its proper divisors (57920411).

10020201001 is an equidigital number, since it uses as much as digits as its factorization.

10020201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57920410.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10020201001 its reverse (10010202001), we get a palindrome (20030403002).

The spelling of 10020201001 in words is "ten billion, twenty million, two hundred one thousand, one".

Divisors: 1 173 57920237 10020201001