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16388050140 = 22335711419613
BaseRepresentation
bin11110100001100110…
…11100110011011100
31120022010000012112000
433100303130303130
5232030320101030
611310100442300
71120053061560
oct172063346334
946263005460
1016388050140
116a4a6996a0
1232143a9390
1317122a25b7
14b167056a0
1565dae8860
hex3d0cdccdc

16388050140 has 384 divisors, whose sum is σ = 65122928640. Its totient is φ = 3321907200.

The previous prime is 16388050139. The next prime is 16388050153. The reversal of 16388050140 is 4105088361.

16388050140 is a `hidden beast` number, since 1 + 6 + 38 + 80 + 501 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 16388050095 and 16388050104.

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 127 ways as a sum of consecutive naturals, for example, 1699974 + ... + 1709586.

It is an arithmetic number, because the mean of its divisors is an integer number (169590960).

Almost surely, 216388050140 is an apocalyptic number.

16388050140 is a gapful number since it is divisible by the number (10) 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 16388050140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32561464320).

16388050140 is an abundant number, since it is smaller than the sum of its proper divisors (48734878500).

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

16388050140 is a wasteful number, since it uses less digits than its factorization.

16388050140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690 (or 9682 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 16388050140 in words is "sixteen billion, three hundred eighty-eight million, fifty thousand, one hundred forty".