Search a number
-
+
1010202010201 = 10199011010201
BaseRepresentation
bin11101011001101001011…
…10110110001001011001
310120120111201022020111201
432230310232312021121
5113022343203311301
62052025210554201
7132661514260006
oct16546456661131
93516451266451
101010202010201
1135a47377618a
1214394a738961
1374352a95277
1436c733528ad
151b427229201
hexeb34bb6259

1010202010201 has 8 divisors (see below), whose sum is σ = 1020308060808. Its totient is φ = 1000098000000.

The previous prime is 1010202010163. The next prime is 1010202010219. The reversal of 1010202010201 is 1020102020101.

It can be written as a sum of positive squares in 4 ways, for example, as 921409929801 + 88792080400 = 959901^2 + 297980^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010202010201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010202010241) 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, 494901 + ... + 1505101.

It is an arithmetic number, because the mean of its divisors is an integer number (127538507601).

Almost surely, 21010202010201 is an apocalyptic number.

It is an amenable number.

1010202010201 is a deficient number, since it is larger than the sum of its proper divisors (10106050607).

1010202010201 is a wasteful number, since it uses less digits than its factorization.

1010202010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020203.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1010202010201 its reverse (1020102020101), we get a palindrome (2030304030302).

The spelling of 1010202010201 in words is "one trillion, ten billion, two hundred two million, ten thousand, two hundred one".

Divisors: 1 101 9901 1000001 1010201 102030301 10002000101 1010202010201