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202102121103001 = 728871731586143
BaseRepresentation
bin101101111100111110010001…
…001000101111111010011001
3222111120202220022100110002121
4231330332101020233322121
5202442220121000244001
61553500233244101241
760366252652010050
oct5574762110577231
9874522808313077
10202102121103001
115943a034631319
121a8008b3534821
1388a01c08cc002
1437c9b1b115397
1518572175db6a1
hexb7cf9122fe99

202102121103001 has 4 divisors (see below), whose sum is σ = 230973852689152. Its totient is φ = 173230389516852.

The previous prime is 202102121102957. The next prime is 202102121103017. The reversal of 202102121103001 is 100301121201202.

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 202102121103001 - 223 = 202102112714393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202102121103031) 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, 14435865793065 + ... + 14435865793078.

It is an arithmetic number, because the mean of its divisors is an integer number (57743463172288).

Almost surely, 2202102121103001 is an apocalyptic number.

It is an amenable number.

202102121103001 is a deficient number, since it is larger than the sum of its proper divisors (28871731586151).

202102121103001 is an equidigital number, since it uses as much as digits as its factorization.

202102121103001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28871731586150.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 202102121103001 its reverse (100301121201202), we get a palindrome (302403242304203).

The spelling of 202102121103001 in words is "two hundred two trillion, one hundred two billion, one hundred twenty-one million, one hundred three thousand, one".

Divisors: 1 7 28871731586143 202102121103001