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102101030201 = 176005942953
BaseRepresentation
bin101111100010110110…
…0100001010100111001
3100202112121002201212002
41133011230201110321
53133100330431301
6114523215230345
710243105302662
oct1370554412471
9322477081762
10102101030201
113a3344081a5
12179555183b5
139821b9b491
144d280d8369
1529c890716b
hex17c5b21539

102101030201 has 4 divisors (see below), whose sum is σ = 108106973172. Its totient is φ = 96095087232.

The previous prime is 102101030149. The next prime is 102101030219. The reversal of 102101030201 is 102030101201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102030101201 = 714575728743.

It can be written as a sum of positive squares in 2 ways, for example, as 32742540601 + 69358489600 = 180949^2 + 263360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102101030201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102101030261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002971460 + ... + 3002971493.

It is an arithmetic number, because the mean of its divisors is an integer number (27026743293).

Almost surely, 2102101030201 is an apocalyptic number.

It is an amenable number.

102101030201 is a deficient number, since it is larger than the sum of its proper divisors (6005942971).

102101030201 is an equidigital number, since it uses as much as digits as its factorization.

102101030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005942970.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102101030201 its reverse (102030101201), we get a palindrome (204131131402).

The spelling of 102101030201 in words is "one hundred two billion, one hundred one million, thirty thousand, two hundred one".

Divisors: 1 17 6005942953 102101030201