Search a number
-
+
9091010010 = 2351492033783
BaseRepresentation
bin10000111011101110…
…11100110111011010
3212110120100011021110
420131313130313122
5122104244310020
64102031521150
7441166211235
oct103567346732
925416304243
109091010010
113945702415
1219186891b6
13b1b596b84
1462354641c
153831a78e0
hex21dddcdda

9091010010 has 32 divisors (see below), whose sum is σ = 21964867200. Its totient is φ = 2407997888.

The previous prime is 9091009973. The next prime is 9091010017. The reversal of 9091010010 is 100101909.

It is not an unprimeable number, because it can be changed into a prime (9091010017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012422 + ... + 1021361.

It is an arithmetic number, because the mean of its divisors is an integer number (686402100).

Almost surely, 29091010010 is an apocalyptic number.

9091010010 is an abundant number, since it is smaller than the sum of its proper divisors (12873857190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9091010010 is a wasteful number, since it uses less digits than its factorization.

9091010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033942.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 9091010010 is about 95346.7881472680. The cubic root of 9091010010 is about 2087.0717452968.

Adding to 9091010010 its reverse (100101909), we get a palindrome (9191111919).

The spelling of 9091010010 in words is "nine billion, ninety-one million, ten thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 149 298 447 745 894 1490 2235 4470 2033783 4067566 6101349 10168915 12202698 20337830 30506745 61013490 303033667 606067334 909101001 1515168335 1818202002 3030336670 4545505005 9091010010