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16082763280 = 2451011990441
BaseRepresentation
bin11101111101001101…
…10111111000010000
31112111211120000200021
432332212313320100
5230414141411110
611215513233224
71106355142453
oct167646677020
945454500607
1016082763280
116903334101
12314a102814
131693c7329c
14ac7d5749a
15641de32da
hex3be9b7e10

16082763280 has 40 divisors (see below), whose sum is σ = 37762665624. Its totient is φ = 6369408000.

The previous prime is 16082763253. The next prime is 16082763289. The reversal of 16082763280 is 8236728061.

It can be written as a sum of positive squares in 4 ways, for example, as 4611496464 + 11471266816 = 67908^2 + 107104^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16082763289) 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, 987141 + ... + 1003300.

Almost surely, 216082763280 is an apocalyptic number.

16082763280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16082763280 is an abundant number, since it is smaller than the sum of its proper divisors (21679902344).

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

16082763280 is a wasteful number, since it uses less digits than its factorization.

16082763280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990555 (or 1990549 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 16082763280 in words is "sixteen billion, eighty-two million, seven hundred sixty-three thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101 202 404 505 808 1010 1616 2020 4040 8080 1990441 3980882 7961764 9952205 15923528 19904410 31847056 39808820 79617640 159235280 201034541 402069082 804138164 1005172705 1608276328 2010345410 3216552656 4020690820 8041381640 16082763280