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9102900080 = 245113786251
BaseRepresentation
bin10000111101001001…
…10011101101110000
3212111101201020101102
420132210303231300
5122120320300310
64103134423532
7441402242201
oct103644635560
925441636342
109102900080
11395139361a
121920661ba8
13b20b9ab11
14624d5d5a8
153842558a5
hex21e933b70

9102900080 has 20 divisors (see below), whose sum is σ = 21164242872. Its totient is φ = 3641160000.

The previous prime is 9102900067. The next prime is 9102900089. The reversal of 9102900080 is 800092019.

9102900080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9102900089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56893046 + ... + 56893205.

Almost surely, 29102900080 is an apocalyptic number.

It is an amenable number.

9102900080 is an abundant number, since it is smaller than the sum of its proper divisors (12061342792).

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

9102900080 is a wasteful number, since it uses less digits than its factorization.

9102900080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113786264 (or 113786258 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 9102900080 is about 95409.1194802677. The cubic root of 9102900080 is about 2087.9812378735.

Adding to 9102900080 its reverse (800092019), we get a palindrome (9902992099).

The spelling of 9102900080 in words is "nine billion, one hundred two million, nine hundred thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 113786251 227572502 455145004 568931255 910290008 1137862510 1820580016 2275725020 4551450040 9102900080