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47844664284 = 22330712987151
BaseRepresentation
bin101100100011110000…
…111010001111011100
311120111101011202212010
4230203300322033130
51240441213224114
633551325111220
73312430636104
oct544360721734
9146441152763
1047844664284
111932207a46a
1293330b8510
134686378c51
14245c39c204
1513a054bc59
hexb23c3a3dc

47844664284 has 24 divisors (see below), whose sum is σ = 112001198848. Its totient is φ = 15896271600.

The previous prime is 47844664243. The next prime is 47844664321. The reversal of 47844664284 is 48246644874.

It is a super-2 number, since 2×478446642842 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 6489892 + ... + 6497259.

Almost surely, 247844664284 is an apocalyptic number.

It is an amenable number.

47844664284 is an abundant number, since it is smaller than the sum of its proper divisors (64156534564).

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

47844664284 is a wasteful number, since it uses less digits than its factorization.

47844664284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12987465 (or 12987463 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 57.

The spelling of 47844664284 in words is "forty-seven billion, eight hundred forty-four million, six hundred sixty-four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 307 614 921 1228 1842 3684 12987151 25974302 38961453 51948604 77922906 155845812 3987055357 7974110714 11961166071 15948221428 23922332142 47844664284