Base | Representation |
---|---|
bin | 101011111001001001… |
… | …110011100000010000 |
3 | 11111122112222101021001 |
4 | 223321021303200100 |
5 | 1233010210120000 |
6 | 33352350311344 |
7 | 3255630302155 |
oct | 537111634020 |
9 | 144575871231 |
10 | 47129770000 |
11 | 18a95587845 |
12 | 91737b8554 |
13 | 45a1223391 |
14 | 23d146822c |
15 | 135c8d646a |
hex | af9273810 |
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".
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