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2052101321 = 73174716091
BaseRepresentation
bin111101001010000…
…1001010011001001
312022000101112210122
41322110021103021
513200314220241
6535343353025
7101565400454
oct17224112311
95260345718
102052101321
119633a3106
124932b2775
132691ba04a
1415677c49b
15c025504b
hex7a5094c9

2052101321 has 8 divisors (see below), whose sum is σ = 2081532384. Its totient is φ = 2022706080.

The previous prime is 2052101309. The next prime is 2052101323. The reversal of 2052101321 is 1231012502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2052101321 - 230 = 978359497 is a prime.

It is a super-2 number, since 2×20521013212 = 8422239663299890082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2052101321.

It is not an unprimeable number, because it can be changed into a prime (2052101323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119486 + ... + 135576.

It is an arithmetic number, because the mean of its divisors is an integer number (260191548).

Almost surely, 22052101321 is an apocalyptic number.

It is an amenable number.

2052101321 is a deficient number, since it is larger than the sum of its proper divisors (29431063).

2052101321 is a wasteful number, since it uses less digits than its factorization.

2052101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17911.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2052101321 is about 45300.1249556776. The cubic root of 2052101321 is about 1270.7679900337.

Adding to 2052101321 its reverse (1231012502), we get a palindrome (3283113823).

The spelling of 2052101321 in words is "two billion, fifty-two million, one hundred one thousand, three hundred twenty-one".

Divisors: 1 73 1747 16091 127531 1174643 28110977 2052101321