Base | Representation |
---|---|
bin | 10101100101101100… |
… | …011000111011000100 |
3 | 2012211112002101010000 |
4 | 111211230120323010 |
5 | 334433312043331 |
6 | 14352120401300 |
7 | 1450306002630 |
oct | 254554307304 |
9 | 65745071100 |
10 | 23180971716 |
11 | 9916066171 |
12 | 45ab316230 |
13 | 2255713416 |
14 | 119c959dc0 |
15 | 90a15b0e6 |
hex | 565b18ec4 |
23180971716 has 120 divisors (see below), whose sum is σ = 69304928000. Its totient is φ = 6618526848.
The previous prime is 23180971687. The next prime is 23180971721. The reversal of 23180971716 is 61717908132.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4531176 + ... + 4536288.
Almost surely, 223180971716 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23180971716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34652464000).
23180971716 is an abundant number, since it is smaller than the sum of its proper divisors (46123956284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23180971716 is a wasteful number, since it uses less digits than its factorization.
23180971716 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7135 (or 7124 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 45.
The spelling of 23180971716 in words is "twenty-three billion, one hundred eighty million, nine hundred seventy-one thousand, seven hundred sixteen".
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