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28946723848 = 2371912706313
BaseRepresentation
bin11010111101010110…
…111111010000001000
32202201100100221010021
4122331112333100020
5433240330130343
621144204430224
72043220043620
oct327526772010
982640327107
1028946723848
1111304742079
12573a248374
1329640c3583
1415885cd880
15b464220ed
hex6bd5bf408

28946723848 has 32 divisors (see below), whose sum is σ = 62353474560. Its totient is φ = 12340782720.

The previous prime is 28946723833. The next prime is 28946723857. The reversal of 28946723848 is 84832764982.

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 7 ways as a sum of consecutive naturals, for example, 1342461 + ... + 1363852.

It is an arithmetic number, because the mean of its divisors is an integer number (1948546080).

Almost surely, 228946723848 is an apocalyptic number.

28946723848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28946723848 is an abundant number, since it is smaller than the sum of its proper divisors (33406750712).

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

28946723848 is a wasteful number, since it uses less digits than its factorization.

28946723848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706517 (or 2706513 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 61.

The spelling of 28946723848 in words is "twenty-eight billion, nine hundred forty-six million, seven hundred twenty-three thousand, eight hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 191 382 764 1337 1528 2674 5348 10696 2706313 5412626 10825252 18944191 21650504 37888382 75776764 151553528 516905783 1033811566 2067623132 3618340481 4135246264 7236680962 14473361924 28946723848