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28351100324 = 228298549789
BaseRepresentation
bin11010011001110110…
…110111010110100100
32201011211121010020202
4122121312313112210
5431030340202244
621005130250032
72022365243111
oct323166672644
981154533222
1028351100324
1111029503328
1255b2886918
13289a89aa11
14152d465908
15b0debb04e
hex699db75a4

28351100324 has 12 divisors (see below), whose sum is σ = 49674279900. Its totient is φ = 14158448928.

The previous prime is 28351100299. The next prime is 28351100329. The reversal of 28351100324 is 42300115382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11743623424 + 16607476900 = 108368^2 + 128870^2 .

It is not an unprimeable number, because it can be changed into a prime (28351100329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4271579 + ... + 4278210.

It is an arithmetic number, because the mean of its divisors is an integer number (4139523325).

Almost surely, 228351100324 is an apocalyptic number.

It is an amenable number.

28351100324 is a deficient number, since it is larger than the sum of its proper divisors (21323179576).

28351100324 is a wasteful number, since it uses less digits than its factorization.

28351100324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550622 (or 8550620 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 28351100324 in words is "twenty-eight billion, three hundred fifty-one million, one hundred thousand, three hundred twenty-four".

Divisors: 1 2 4 829 1658 3316 8549789 17099578 34199156 7087775081 14175550162 28351100324