Search a number
-
+
16868897528 = 237192834433
BaseRepresentation
bin11111011010111011…
…01111001011111000
31121112121210210010112
433231131233023320
5234021414210103
611425515003452
71135012156160
oct175535571370
947477723115
1016868897528
11717706442a
123329439588
13178aaacb92
14b605135a0
1568ae2bcd8
hex3ed76f2f8

16868897528 has 48 divisors (see below), whose sum is σ = 38150322480. Its totient is φ = 6849017856.

The previous prime is 16868897467. The next prime is 16868897537. The reversal of 16868897528 is 82579886861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397001 + ... + 437432.

It is an arithmetic number, because the mean of its divisors is an integer number (794798385).

Almost surely, 216868897528 is an apocalyptic number.

It is an amenable number.

16868897528 is an abundant number, since it is smaller than the sum of its proper divisors (21281424952).

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

16868897528 is a wasteful number, since it uses less digits than its factorization.

16868897528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834484 (or 834461 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 68.

The spelling of 16868897528 in words is "sixteen billion, eight hundred sixty-eight million, eight hundred ninety-seven thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 361 532 722 1064 1444 2527 2888 5054 10108 20216 834433 1668866 3337732 5841031 6675464 11682062 15854227 23364124 31708454 46728248 63416908 110979589 126833816 221959178 301230313 443918356 602460626 887836712 1204921252 2108612191 2409842504 4217224382 8434448764 16868897528