Base | Representation |
---|---|
bin | 100001010000101111… |
… | …0011011001111101110 |
3 | 20211100222111001022001 |
4 | 1002201132123033232 |
5 | 2132241204200210 |
6 | 52451442242514 |
7 | 5106031643560 |
oct | 1024136331756 |
9 | 224328431261 |
10 | 71428584430 |
11 | 28324634765 |
12 | 11a1535643a |
13 | 69743c3998 |
14 | 3658649330 |
15 | 1cd0c5003a |
hex | 10a179b3ee |
71428584430 has 32 divisors (see below), whose sum is σ = 147553643520. Its totient is φ = 24387326880.
The previous prime is 71428584427. The next prime is 71428584449. The reversal of 71428584430 is 3448582417.
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, 2118016 + ... + 2151475.
It is an arithmetic number, because the mean of its divisors is an integer number (4611051360).
Almost surely, 271428584430 is an apocalyptic number.
71428584430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
71428584430 is an abundant number, since it is smaller than the sum of its proper divisors (76125059090).
71428584430 is a wasteful number, since it uses less digits than its factorization.
71428584430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4269744.
The product of its (nonzero) digits is 860160, while the sum is 46.
The spelling of 71428584430 in words is "seventy-one billion, four hundred twenty-eight million, five hundred eighty-four thousand, four hundred thirty".
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