Search a number
-
+
10202133231 = 321133570359
BaseRepresentation
bin10011000000001100…
…00011001011101111
3222100000010001210100
421200012003023233
5131343221230411
64404203042143
7510550462443
oct114006031357
928300101710
1010202133231
114365924774
121b88810353
13c67840734
146cad3c823
153ea9d9456
hex2601832ef

10202133231 has 6 divisors (see below), whose sum is σ = 14736414680. Its totient is φ = 6801422148.

The previous prime is 10202133229. The next prime is 10202133251. The reversal of 10202133231 is 13233120201.

It is not a de Polignac number, because 10202133231 - 21 = 10202133229 is a prime.

It is a super-2 number, since 2×102021332312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202133251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566785171 + ... + 566785188.

Almost surely, 210202133231 is an apocalyptic number.

10202133231 is a deficient number, since it is larger than the sum of its proper divisors (4534281449).

10202133231 is a wasteful number, since it uses less digits than its factorization.

10202133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133570365 (or 1133570362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10202133231 its reverse (13233120201), we get a palindrome (23435253432).

The spelling of 10202133231 in words is "ten billion, two hundred two million, one hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 3 9 1133570359 3400711077 10202133231