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202001010010001 = 1396714462734303
BaseRepresentation
bin101101111011100000000110…
…011100100010011110010001
3222111020002220200222201210022
4231323200012130202132101
5202434041032030310001
61553341552150313225
760356043223624256
oct5573400634423621
9874202820881708
10202001010010001
1159400168aa4644
121a7a5195658815
1388937c8b566b7
1437c4c886a942d
15185479aa7911b
hexb7b806722791

202001010010001 has 4 divisors (see below), whose sum is σ = 202015472758272. Its totient is φ = 201986547261732.

The previous prime is 202001010009971. The next prime is 202001010010049. The reversal of 202001010010001 is 100010010100202.

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 202001010010001 - 230 = 201999936268177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202001010012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7231353185 + ... + 7231381118.

It is an arithmetic number, because the mean of its divisors is an integer number (50503868189568).

Almost surely, 2202001010010001 is an apocalyptic number.

It is an amenable number.

202001010010001 is a deficient number, since it is larger than the sum of its proper divisors (14462748271).

202001010010001 is a wasteful number, since it uses less digits than its factorization.

202001010010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462748270.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 202001010010001 its reverse (100010010100202), we get a palindrome (302011020110203).

The spelling of 202001010010001 in words is "two hundred two trillion, one billion, ten million, ten thousand, one".

Divisors: 1 13967 14462734303 202001010010001