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202100203011001 = 474300004319383
BaseRepresentation
bin101101111100111100011110…
…110011110011101110111001
3222111120120221122010021112011
4231330330132303303232321
5202442202203432323001
61553455315044445521
760366154301336101
oct5574743663635671
9874516848107464
10202100203011001
115943923a949419
121a8004590a98a1
13889cc76402629
1437c99b849c201
151857154007d51
hexb7cf1ecf3bb9

202100203011001 has 4 divisors (see below), whose sum is σ = 206400207330432. Its totient is φ = 197800198691572.

The previous prime is 202100203010903. The next prime is 202100203011023. The reversal of 202100203011001 is 100110302001202.

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 a de Polignac number, because none of the positive numbers 2k-202100203011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202100203011071) 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, 2150002159645 + ... + 2150002159738.

It is an arithmetic number, because the mean of its divisors is an integer number (51600051832608).

Almost surely, 2202100203011001 is an apocalyptic number.

It is an amenable number.

202100203011001 is a deficient number, since it is larger than the sum of its proper divisors (4300004319431).

202100203011001 is an equidigital number, since it uses as much as digits as its factorization.

202100203011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300004319430.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 202100203011001 its reverse (100110302001202), we get a palindrome (302210505012203).

The spelling of 202100203011001 in words is "two hundred two trillion, one hundred billion, two hundred three million, eleven thousand, one".

Divisors: 1 47 4300004319383 202100203011001