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20915325410112 = 263571251715349
BaseRepresentation
bin1001100000101101110101…
…00010101001101101000000
32202001111002222201002100000
410300112322202221231000
510220134041301110422
6112252211242200000
74256040155442240
oct460267242515500
982044088632300
1020915325410112
116734159a29321
1224196441b3000
13b893cab42743
14524442b73b20
152640c7a54cac
hex1305ba8a9b40

20915325410112 has 336 divisors, whose sum is σ = 71062162371200. Its totient is φ = 5974940547072.

The previous prime is 20915325410041. The next prime is 20915325410153. The reversal of 20915325410112 is 21101452351902.

20915325410112 is a `hidden beast` number, since 2 + 0 + 9 + 1 + 532 + 5 + 4 + 1 + 0 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1362643014 + ... + 1362658362.

Almost surely, 220915325410112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20915325410112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35531081185600).

20915325410112 is an abundant number, since it is smaller than the sum of its proper divisors (50146836961088).

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

20915325410112 is a wasteful number, since it uses less digits than its factorization.

20915325410112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27900 (or 27878 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 20915325410112 in words is "twenty trillion, nine hundred fifteen billion, three hundred twenty-five million, four hundred ten thousand, one hundred twelve".