Search a number
-
+
20090810522 = 2311572063983
BaseRepresentation
bin10010101101100000…
…010111000010011010
31220212011101220212102
4102231200113002122
5312121221414042
613121331443402
71310604033416
oct225540270232
956764356772
1020090810522
11857a814342
123a88456562
131b82451783
14d883a3d46
157c8c07b32
hex4ad81709a

20090810522 has 16 divisors (see below), whose sum is σ = 31306509312. Its totient is φ = 9659435760.

The previous prime is 20090810483. The next prime is 20090810527. The reversal of 20090810522 is 22501809002.

It is not an unprimeable number, because it can be changed into a prime (20090810527) 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, 1022258 + ... + 1041725.

It is an arithmetic number, because the mean of its divisors is an integer number (1956656832).

Almost surely, 220090810522 is an apocalyptic number.

20090810522 is a deficient number, since it is larger than the sum of its proper divisors (11215698790).

20090810522 is a wasteful number, since it uses less digits than its factorization.

20090810522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064173.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 20090810522 in words is "twenty billion, ninety million, eight hundred ten thousand, five hundred twenty-two".

Divisors: 1 2 31 62 157 314 4867 9734 2063983 4127966 63983473 127966946 324045331 648090662 10045405261 20090810522