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202100211013 = 1031962137971
BaseRepresentation
bin1011110000111000011…
…1000111110101000101
3201022122201012110101111
42330032013013311011
511302400123223023
6232502112525021
720413142310121
oct2741607076505
9638581173344
10202100211013
117878a333888
1233202b50771
131609a48209c
149ad2dc4581
1553cca2e00d
hex2f0e1c7d45

202100211013 has 4 divisors (see below), whose sum is σ = 204062349088. Its totient is φ = 200138072940.

The previous prime is 202100211011. The next prime is 202100211017. The reversal of 202100211013 is 310112001202.

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 202100211013 - 21 = 202100211011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202100210984 and 202100211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100211011) 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, 981068883 + ... + 981069088.

It is an arithmetic number, because the mean of its divisors is an integer number (51015587272).

Almost surely, 2202100211013 is an apocalyptic number.

It is an amenable number.

202100211013 is a deficient number, since it is larger than the sum of its proper divisors (1962138075).

202100211013 is a wasteful number, since it uses less digits than its factorization.

202100211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962138074.

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

Adding to 202100211013 its reverse (310112001202), we get a palindrome (512212212215).

The spelling of 202100211013 in words is "two hundred two billion, one hundred million, two hundred eleven thousand, thirteen".

Divisors: 1 103 1962137971 202100211013