Base | Representation |
---|---|
bin | 101011110001111111… |
… | …011110011001110000 |
3 | 11111100011220012122220 |
4 | 223301333132121300 |
5 | 1232233430342431 |
6 | 33332415201040 |
7 | 3252641122266 |
oct | 536177363160 |
9 | 144304805586 |
10 | 47009621616 |
11 | 18a33784561 |
12 | 913b516180 |
13 | 4582376a69 |
14 | 23bd510436 |
15 | 13520a1b96 |
hex | af1fde670 |
47009621616 has 40 divisors (see below), whose sum is σ = 126721591680. Its totient is φ = 14988574656.
The previous prime is 47009621599. The next prime is 47009621621. The reversal of 47009621616 is 61612690074.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21289486 + ... + 21291693.
It is an arithmetic number, because the mean of its divisors is an integer number (3168039792).
Almost surely, 247009621616 is an apocalyptic number.
47009621616 is a gapful number since it is divisible by the number (46) formed by its first and last digit.
It is an amenable number.
47009621616 is an abundant number, since it is smaller than the sum of its proper divisors (79711970064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47009621616 is a wasteful number, since it uses less digits than its factorization.
47009621616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42581213 (or 42581207 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 42.
The spelling of 47009621616 in words is "forty-seven billion, nine million, six hundred twenty-one thousand, six hundred sixteen".
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