Base | Representation |
---|---|
bin | 10010101101100101… |
… | …010110110110111101 |
3 | 1220212020212110211110 |
4 | 102231211112312331 |
5 | 312122040324014 |
6 | 13121415512233 |
7 | 1310621130546 |
oct | 225545266675 |
9 | 56766773743 |
10 | 20092120509 |
11 | 858052957a |
12 | 3a88988679 |
13 | 1b827bcb06 |
14 | d886254cd |
15 | 7c8db5d59 |
hex | 4ad956dbd |
20092120509 has 8 divisors (see below), whose sum is σ = 26953847392. Its totient is φ = 13312570320.
The previous prime is 20092120483. The next prime is 20092120537. The reversal of 20092120509 is 90502129002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20092120509 - 28 = 20092120253 is a prime.
It is a super-3 number, since 3×200921205093 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20092127509) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20543602 + ... + 20544579.
It is an arithmetic number, because the mean of its divisors is an integer number (3369230924).
Almost surely, 220092120509 is an apocalyptic number.
It is an amenable number.
20092120509 is a deficient number, since it is larger than the sum of its proper divisors (6861726883).
20092120509 is a wasteful number, since it uses less digits than its factorization.
20092120509 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41088347.
The product of its (nonzero) digits is 3240, while the sum is 30.
The spelling of 20092120509 in words is "twenty billion, ninety-two million, one hundred twenty thousand, five hundred nine".
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