Base | Representation |
---|---|
bin | 101100100101011101… |
… | …011101111010111100 |
3 | 11120120100201120110212 |
4 | 230211131131322330 |
5 | 1241021004400410 |
6 | 33554223051552 |
7 | 3313224552125 |
oct | 544535357274 |
9 | 146510646425 |
10 | 47873121980 |
11 | 19337147122 |
12 | 9340740bb8 |
13 | 468c230c18 |
14 | 246208904c |
15 | 13a2cbdb05 |
hex | b2575debc |
47873121980 has 48 divisors (see below), whose sum is σ = 101611099296. Its totient is φ = 18944163840.
The previous prime is 47873121979. The next prime is 47873122013. The reversal of 47873121980 is 8912137874.
It is a happy number.
It is a super-2 number, since 2×478731219802 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8690387 + ... + 8695893.
It is an arithmetic number, because the mean of its divisors is an integer number (2116897902).
Almost surely, 247873121980 is an apocalyptic number.
It is an amenable number.
47873121980 is an abundant number, since it is smaller than the sum of its proper divisors (53737977316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47873121980 is a wasteful number, since it uses less digits than its factorization.
47873121980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10094 (or 10092 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 50.
The spelling of 47873121980 in words is "forty-seven billion, eight hundred seventy-three million, one hundred twenty-one thousand, nine hundred eighty".
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