Base | Representation |
---|---|
bin | 101011110011111100… |
… | …110100110111110011 |
3 | 11111102110201200011020 |
4 | 223303330310313303 |
5 | 1232320333403101 |
6 | 33335551350523 |
7 | 3253520332164 |
oct | 536374646763 |
9 | 144373650136 |
10 | 47042481651 |
11 | 18a50288810 |
12 | 914a522443 |
13 | 4589110779 |
14 | 23c3a2576b |
15 | 1354de3136 |
hex | af3f34df3 |
47042481651 has 32 divisors (see below), whose sum is σ = 74408606208. Its totient is φ = 26108259840.
The previous prime is 47042481649. The next prime is 47042481671. The reversal of 47042481651 is 15618424074.
It is not a de Polignac number, because 47042481651 - 21 = 47042481649 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47042481671) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112415 + ... + 1153928.
It is an arithmetic number, because the mean of its divisors is an integer number (2325268944).
Almost surely, 247042481651 is an apocalyptic number.
47042481651 is a deficient number, since it is larger than the sum of its proper divisors (27366124557).
47042481651 is a wasteful number, since it uses less digits than its factorization.
47042481651 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2266411.
The product of its (nonzero) digits is 215040, while the sum is 42.
The spelling of 47042481651 in words is "forty-seven billion, forty-two million, four hundred eighty-one thousand, six hundred fifty-one".
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