Search a number
-
+
102100120201201 = 3677197171408289
BaseRepresentation
bin10111001101110000001001…
…011001010110011111110001
3111101111200020220222120112211
4113031300021121112133301
5101340302021232414301
61001052051523052121
730335330105255533
oct2715601131263761
9441450226876484
10102100120201201
112a594466121aa1
12b54b82b811041
1344c8000084405
141b2d95a691853
15bc0cd232c051
hex5cdc096567f1

102100120201201 has 8 divisors (see below), whose sum is σ = 102133139645160. Its totient is φ = 102067103620608.

The previous prime is 102100120201199. The next prime is 102100120201207. The reversal of 102100120201201 is 102102021001201.

It can be written as a sum of positive squares in 4 ways, for example, as 9643260729600 + 92456859471601 = 3105360^2 + 9615449^2 .

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 102100120201201 - 21 = 102100120201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100120201207) 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, 71795265 + ... + 73203553.

It is an arithmetic number, because the mean of its divisors is an integer number (12766642455645).

Almost surely, 2102100120201201 is an apocalyptic number.

It is an amenable number.

102100120201201 is a deficient number, since it is larger than the sum of its proper divisors (33019443959).

102100120201201 is a wasteful number, since it uses less digits than its factorization.

102100120201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431683.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102100120201201 its reverse (102102021001201), we get a palindrome (204202141202402).

The spelling of 102100120201201 in words is "one hundred two trillion, one hundred billion, one hundred twenty million, two hundred one thousand, two hundred one".

Divisors: 1 3677 19717 1408289 72499409 5178278653 27767234213 102100120201201