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28341660448 = 256591343971
BaseRepresentation
bin11010011001010010…
…110110101100100000
32201011011211112011201
4122121102312230200
5431020431113243
621004152050544
72022222065443
oct323122665440
981134745151
1028341660448
1111024145a82
1255ab693a54
1328989440aa
14152c0c965a
15b0d25404d
hex6994b6b20

28341660448 has 24 divisors (see below), whose sum is σ = 55882355760. Its totient is φ = 14149316160.

The previous prime is 28341660437. The next prime is 28341660467. The reversal of 28341660448 is 84406614382.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28341660398 and 28341660407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650898 + ... + 693073.

It is an arithmetic number, because the mean of its divisors is an integer number (2328431490).

Almost surely, 228341660448 is an apocalyptic number.

It is an amenable number.

28341660448 is a deficient number, since it is larger than the sum of its proper divisors (27540695312).

28341660448 is a wasteful number, since it uses less digits than its factorization.

28341660448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344640 (or 1344632 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 28341660448 in words is "twenty-eight billion, three hundred forty-one million, six hundred sixty thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 659 1318 2636 5272 10544 21088 1343971 2687942 5375884 10751768 21503536 43007072 885676889 1771353778 3542707556 7085415112 14170830224 28341660448