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16120000512 = 21234711631
BaseRepresentation
bin11110000001101001…
…11011000000000000
31112121102121212120000
433000310323000000
5231003210004022
611223323320000
71110316513020
oct170064730000
945542555500
1016120000512
116922357a80
12315a680000
13169b8b0455
14accc8ba80
156452eb6ac
hex3c0d3b000

16120000512 has 520 divisors, whose sum is σ = 60132686592. Its totient is φ = 4180377600.

The previous prime is 16120000511. The next prime is 16120000537. The reversal of 16120000512 is 21500002161.

16120000512 is a `hidden beast` number, since 1 + 612 + 0 + 0 + 0 + 0 + 51 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (16120000511) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25546437 + ... + 25547067.

Almost surely, 216120000512 is an apocalyptic number.

16120000512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16120000512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30066343296).

16120000512 is an abundant number, since it is smaller than the sum of its proper divisors (44012686080).

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

16120000512 is an equidigital number, since it uses as much as digits as its factorization.

16120000512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 16120000512 its reverse (21500002161), we get a palindrome (37620002673).

The spelling of 16120000512 in words is "sixteen billion, one hundred twenty million, five hundred twelve", and thus it is an aban number.