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1985714016 = 25311131923331
BaseRepresentation
bin111011001011011…
…1001011101100000
312010101110201112120
41312112321131200
513031320322031
6525012424240
7100131201456
oct16626713540
95111421476
101985714016
1192997a370
12475018080
13258514a10
1414ba1a9d6
15b94dea96
hex765b9760

1985714016 has 384 divisors, whose sum is σ = 6746664960. Its totient is φ = 501811200.

The previous prime is 1985714011. The next prime is 1985714023. The reversal of 1985714016 is 6104175891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985714011) 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 63 ways as a sum of consecutive naturals, for example, 5998971 + ... + 5999301.

It is an arithmetic number, because the mean of its divisors is an integer number (17569440).

Almost surely, 21985714016 is an apocalyptic number.

1985714016 is a gapful number since it is divisible by the number (16) 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 1985714016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3373332480).

1985714016 is an abundant number, since it is smaller than the sum of its proper divisors (4760950944).

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

1985714016 is a wasteful number, since it uses less digits than its factorization.

1985714016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 1985714016 is about 44561.3511464812. The cubic root of 1985714016 is about 1256.9140100754.

The spelling of 1985714016 in words is "one billion, nine hundred eighty-five million, seven hundred fourteen thousand, sixteen".