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47129770000 = 24544712977
BaseRepresentation
bin101011111001001001…
…110011100000010000
311111122112222101021001
4223321021303200100
51233010210120000
633352350311344
73255630302155
oct537111634020
9144575871231
1047129770000
1118a95587845
1291737b8554
1345a1223391
1423d146822c
15135c8d646a
hexaf9273810

47129770000 has 50 divisors (see below), whose sum is σ = 114105910358. Its totient is φ = 18851904000.

The previous prime is 47129769997. The next prime is 47129770027. The reversal of 47129770000 is 7792174.

It can be written as a sum of positive squares in 5 ways, for example, as 10521835776 + 36607934224 = 102576^2 + 191332^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2346489 + ... + 2366488.

Almost surely, 247129770000 is an apocalyptic number.

47129770000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47129770000 is an abundant number, since it is smaller than the sum of its proper divisors (66976140358).

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

47129770000 is an equidigital number, since it uses as much as digits as its factorization.

47129770000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713005 (or 4712984 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

The spelling of 47129770000 in words is "forty-seven billion, one hundred twenty-nine million, seven hundred seventy thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 4712977 9425954 18851908 23564885 37703816 47129770 75407632 94259540 117824425 188519080 235648850 377038160 471297700 589122125 942595400 1178244250 1885190800 2356488500 2945610625 4712977000 5891221250 9425954000 11782442500 23564885000 47129770000