Base | Representation |
---|---|
bin | 1001011000001101100001… |
… | …11111010110011000000101 |
3 | 2201000112211210221100001000 |
4 | 10230012300333112120011 |
5 | 10200342110442303322 |
6 | 111510042535523513 |
7 | 4225653553266546 |
oct | 454066077263005 |
9 | 81015753840030 |
10 | 20623107384837 |
11 | 66312355258a1 |
12 | 2390a90b29599 |
13 | b6799b32b309 |
14 | 5142413844cd |
15 | 25b6c36763ac |
hex | 12c1b0fd6605 |
20623107384837 has 32 divisors (see below), whose sum is σ = 31883437992960. Its totient is φ = 13150015884720.
The previous prime is 20623107384823. The next prime is 20623107384853. The reversal of 20623107384837 is 73848370132602.
20623107384837 is a `hidden beast` number, since 2 + 0 + 6 + 23 + 107 + 38 + 483 + 7 = 666.
It is not a de Polignac number, because 20623107384837 - 211 = 20623107382789 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20623107384937) 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, 7442262 + ... + 9830232.
It is an arithmetic number, because the mean of its divisors is an integer number (996357437280).
Almost surely, 220623107384837 is an apocalyptic number.
20623107384837 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
20623107384837 is a deficient number, since it is larger than the sum of its proper divisors (11260330608123).
20623107384837 is a wasteful number, since it uses less digits than its factorization.
20623107384837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2401910 (or 2401904 counting only the distinct ones).
The product of its (nonzero) digits is 8128512, while the sum is 54.
The spelling of 20623107384837 in words is "twenty trillion, six hundred twenty-three billion, one hundred seven million, three hundred eighty-four thousand, eight hundred thirty-seven".
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