Base | Representation |
---|---|
bin | 101100101011111101… |
… | …110111001010100000 |
3 | 11120211222010020101202 |
4 | 230223331313022200 |
5 | 1241231430333110 |
6 | 34013122420332 |
7 | 3316021425140 |
oct | 545375671240 |
9 | 146758106352 |
10 | 47982277280 |
11 | 19392821113 |
12 | 93712016a8 |
13 | 46a8a2b962 |
14 | 2472780920 |
15 | 13ac6810a5 |
hex | b2bf772a0 |
47982277280 has 96 divisors (see below), whose sum is σ = 129618195840. Its totient is φ = 16442680320.
The previous prime is 47982277253. The next prime is 47982277309. The reversal of 47982277280 is 8277228974.
It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (56).
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, 2430650 + ... + 2450310.
It is an arithmetic number, because the mean of its divisors is an integer number (1350189540).
Almost surely, 247982277280 is an apocalyptic number.
47982277280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47982277280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64809097920).
47982277280 is an abundant number, since it is smaller than the sum of its proper divisors (81635918560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47982277280 is a wasteful number, since it uses less digits than its factorization.
47982277280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21862 (or 21854 counting only the distinct ones).
The product of its (nonzero) digits is 6322176, while the sum is 56.
The spelling of 47982277280 in words is "forty-seven billion, nine hundred eighty-two million, two hundred seventy-seven thousand, two hundred eighty".
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