Base | Representation |
---|---|
bin | 10101110010101101011111… |
… | …11100100110000000010100 |
3 | 20021200021210202011220011102 |
4 | 22321112233330212000110 |
5 | 22240123023404043310 |
6 | 245531003505325232 |
7 | 13044146256136112 |
oct | 1271265774460024 |
9 | 207607722156142 |
10 | 47921902018580 |
11 | 142a6623405a07 |
12 | 545b704036818 |
13 | 20980291163a5 |
14 | bb960a850ab2 |
15 | 58185a66e8a5 |
hex | 2b95aff26014 |
47921902018580 has 24 divisors (see below), whose sum is σ = 100706221789992. Its totient is φ = 19155384131072.
The previous prime is 47921902018531. The next prime is 47921902018597. The reversal of 47921902018580 is 8581020912974.
47921902018580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 9067349529616 + 38854552488964 = 3011204^2 + 6233342^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836012897 + ... + 836070216.
It is an arithmetic number, because the mean of its divisors is an integer number (4196092574583).
Almost surely, 247921902018580 is an apocalyptic number.
It is an amenable number.
47921902018580 is an abundant number, since it is smaller than the sum of its proper divisors (52784319771412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47921902018580 is a wasteful number, since it uses less digits than its factorization.
47921902018580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1672084555 (or 1672084553 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 56.
The spelling of 47921902018580 in words is "forty-seven trillion, nine hundred twenty-one billion, nine hundred two million, eighteen thousand, five hundred eighty".
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