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202120320041 = 71127115319441
BaseRepresentation
bin1011110000111101001…
…1110101010000101001
3201022201010001002210022
42330033103311100221
511302420300220131
6232504111530225
720413505242043
oct2741723652051
9638633032708
10202120320041
117879a719012
1233209829975
13160a16a3013
149ad593aa93
1553ce6a237b
hex2f0f4f5429

202120320041 has 16 divisors (see below), whose sum is σ = 206770802688. Its totient is φ = 197522841600.

The previous prime is 202120320019. The next prime is 202120320043. The reversal of 202120320041 is 140023021202.

It is a cyclic number.

It is not a de Polignac number, because 202120320041 - 218 = 202120057897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202120320043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10386881 + ... + 10406321.

It is an arithmetic number, because the mean of its divisors is an integer number (12923175168).

Almost surely, 2202120320041 is an apocalyptic number.

It is an amenable number.

202120320041 is a deficient number, since it is larger than the sum of its proper divisors (4650482647).

202120320041 is a wasteful number, since it uses less digits than its factorization.

202120320041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202120320041 its reverse (140023021202), we get a palindrome (342143341243).

The spelling of 202120320041 in words is "two hundred two billion, one hundred twenty million, three hundred twenty thousand, forty-one".

Divisors: 1 71 127 1153 9017 19441 81863 146431 1380311 2469007 10396601 22415473 175299497 1591498583 2846765071 202120320041