Base | Representation |
---|---|
bin | 10011010110001110… |
… | …000111000001001001 |
3 | 1222121202202001201200 |
4 | 103112032013001021 |
5 | 320021104022134 |
6 | 13313212334413 |
7 | 1333540112202 |
oct | 232616070111 |
9 | 58552661650 |
10 | 20773892169 |
11 | 88a0358728 |
12 | 4039174409 |
13 | 1c60b192b4 |
14 | 1010db65a9 |
15 | 818b87499 |
hex | 4d6387049 |
20773892169 has 24 divisors (see below), whose sum is σ = 33153224832. Its totient is φ = 12467875200.
The previous prime is 20773892159. The next prime is 20773892179. The reversal of 20773892169 is 96129837702.
It is an interprime number because it is at equal distance from previous prime (20773892159) and next prime (20773892179).
It is not a de Polignac number, because 20773892169 - 211 = 20773890121 is a prime.
It is a super-2 number, since 2×207738921692 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20773892159) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2948157 + ... + 2955194.
It is an arithmetic number, because the mean of its divisors is an integer number (1381384368).
Almost surely, 220773892169 is an apocalyptic number.
It is an amenable number.
20773892169 is a deficient number, since it is larger than the sum of its proper divisors (12379332663).
20773892169 is a wasteful number, since it uses less digits than its factorization.
20773892169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5903397 (or 5903394 counting only the distinct ones).
The product of its (nonzero) digits is 2286144, while the sum is 54.
The spelling of 20773892169 in words is "twenty billion, seven hundred seventy-three million, eight hundred ninety-two thousand, one hundred sixty-nine".
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