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28946513152 = 28113072317
BaseRepresentation
bin11010111101010110…
…001011110100000000
32202201022222020002201
4122331112023310000
5433240301410102
621144200122544
72043215205424
oct327526136400
982638866081
1028946513152
1111304608847
12573a166454
13296404b6bb
141588576b84
15b463ce987
hex6bd58bd00

28946513152 has 18 divisors (see below), whose sum is σ = 57779954498. Its totient is φ = 14473256448.

The previous prime is 28946513149. The next prime is 28946513171. The reversal of 28946513152 is 25131564982.

It can be written as a sum of positive squares in only one way, i.e., 22146201856 + 6800311296 = 148816^2 + 82464^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 56535903 + ... + 56536414.

Almost surely, 228946513152 is an apocalyptic number.

It is an amenable number.

28946513152 is a deficient number, since it is larger than the sum of its proper divisors (28833441346).

28946513152 is an equidigital number, since it uses as much as digits as its factorization.

28946513152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113072333 (or 113072319 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The spelling of 28946513152 in words is "twenty-eight billion, nine hundred forty-six million, five hundred thirteen thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 113072317 226144634 452289268 904578536 1809157072 3618314144 7236628288 14473256576 28946513152