Search a number
-
+
10202130121 = 103401247007
BaseRepresentation
bin10011000000001100…
…00010011011001001
3222100000002220112011
421200012002123021
5131343221130441
64404203015521
7510550450411
oct114006023311
928300086464
1010202130121
1143659223a7
121b8880a5a1
13c6783c1b1
146cad3b641
153ea9d8581
hex2601826c9

10202130121 has 8 divisors (see below), whose sum is σ = 10326910464. Its totient is φ = 10077844800.

The previous prime is 10202130109. The next prime is 10202130137. The reversal of 10202130121 is 12103120201.

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 10202130121 - 211 = 10202128073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202130181) 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, 82201 + ... + 164806.

It is an arithmetic number, because the mean of its divisors is an integer number (1290863808).

Almost surely, 210202130121 is an apocalyptic number.

It is an amenable number.

10202130121 is a deficient number, since it is larger than the sum of its proper divisors (124780343).

10202130121 is a wasteful number, since it uses less digits than its factorization.

10202130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247511.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10202130121 its reverse (12103120201), we get a palindrome (22305250322).

The spelling of 10202130121 in words is "ten billion, two hundred two million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 103 401 41303 247007 25441721 99049807 10202130121