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47758902816 = 2531926183609
BaseRepresentation
bin101100011110101001…
…110000011000100000
311120021101210122020110
4230132221300120200
51240302234342231
633535023011320
73310336655502
oct543651603040
9146241718213
1047758902816
1119288723619
12930a439b40
13467167c311
142450c35d72
151397c5b046
hexb1ea70620

47758902816 has 48 divisors (see below), whose sum is σ = 131965394400. Its totient is φ = 15081758208.

The previous prime is 47758902773. The next prime is 47758902817. The reversal of 47758902816 is 61820985774.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (47758902817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13089981 + ... + 13093628.

It is an arithmetic number, because the mean of its divisors is an integer number (2749279050).

Almost surely, 247758902816 is an apocalyptic number.

It is an amenable number.

47758902816 is an abundant number, since it is smaller than the sum of its proper divisors (84206491584).

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

47758902816 is a wasteful number, since it uses less digits than its factorization.

47758902816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26183641 (or 26183633 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 47758902816 in words is "forty-seven billion, seven hundred fifty-eight million, nine hundred two thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 26183609 52367218 78550827 104734436 157101654 209468872 314203308 418937744 497488571 628406616 837875488 994977142 1256813232 1492465713 1989954284 2513626464 2984931426 3979908568 5969862852 7959817136 11939725704 15919634272 23879451408 47758902816