Base | Representation |
---|---|
bin | 110001001100101000… |
… | …1011110110111010100 |
3 | 101002200222110020220002 |
4 | 1202121101132313110 |
5 | 3212333040241040 |
6 | 120311341230432 |
7 | 10430060143400 |
oct | 1423121366724 |
9 | 332628406802 |
10 | 105650712020 |
11 | 40896088737 |
12 | 18586262418 |
13 | 9c69411419 |
14 | 518370a100 |
15 | 2b35379a15 |
hex | 189945edd4 |
105650712020 has 72 divisors (see below), whose sum is σ = 258205540320. Its totient is φ = 36206829120.
The previous prime is 105650712017. The next prime is 105650712023. The reversal of 105650712020 is 20217056501.
It is an interprime number because it is at equal distance from previous prime (105650712017) and next prime (105650712023).
It is a super-2 number, since 2×1056507120202 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105650712023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2269175 + ... + 2315265.
It is an arithmetic number, because the mean of its divisors is an integer number (3586188060).
Almost surely, 2105650712020 is an apocalyptic number.
105650712020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 105650712020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129102770160).
105650712020 is an abundant number, since it is smaller than the sum of its proper divisors (152554828300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105650712020 is a wasteful number, since it uses less digits than its factorization.
105650712020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48453 (or 48444 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 29.
Adding to 105650712020 its reverse (20217056501), we get a palindrome (125867768521).
The spelling of 105650712020 in words is "one hundred five billion, six hundred fifty million, seven hundred twelve thousand, twenty".
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