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10202010001 = 24234210487
BaseRepresentation
bin10011000000001011…
…00101000110010001
3222022222212210202021
421200011211012101
5131343203310001
64404200251441
7510546440251
oct114005450621
928288783667
1010202010001
114365850127
121b88770b81
13c677c9611
146cad09961
153ea9b2ba1
hex260165191

10202010001 has 4 divisors (see below), whose sum is σ = 10206222912. Its totient is φ = 10197797092.

The previous prime is 10202009977. The next prime is 10202010031. The reversal of 10202010001 is 10001020201.

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 10202010001 - 25 = 10202009969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202010031) 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, 2102821 + ... + 2107666.

It is an arithmetic number, because the mean of its divisors is an integer number (2551555728).

Almost surely, 210202010001 is an apocalyptic number.

It is an amenable number.

10202010001 is a deficient number, since it is larger than the sum of its proper divisors (4212911).

10202010001 is an equidigital number, since it uses as much as digits as its factorization.

10202010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212910.

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

Adding to 10202010001 its reverse (10001020201), we get a palindrome (20203030202).

The spelling of 10202010001 in words is "ten billion, two hundred two million, ten thousand, one".

Divisors: 1 2423 4210487 10202010001