Base | Representation |
---|---|
bin | 1001000110000100111111… |
… | …11000000011000010000000 |
3 | 2121210222121212112202202121 |
4 | 10203002133320003002000 |
5 | 10110140100300000000 |
6 | 110311521321454024 |
7 | 4132645612016320 |
oct | 443023770030200 |
9 | 77728555482677 |
10 | 20000050000000 |
11 | 6410a78908854 |
12 | 22b0188341314 |
13 | b20cc576c135 |
14 | 4d2016b55280 |
15 | 24a3a9460b1a |
hex | 12309fe03080 |
20000050000000 has 288 divisors, whose sum is σ = 56920752106560. Its totient is φ = 6857040000000.
The previous prime is 20000049999977. The next prime is 20000050000003. The reversal of 20000050000000 is 5000002.
It is a sliding number, since 20000050000000 = 50000000 + 20000000000000 and 1/50000000 + 1/20000000000000 = 0.000000020000050000000.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is not an unprimeable number, because it can be changed into a prime (20000050000003) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 349971429 + ... + 350028571.
It is an arithmetic number, because the mean of its divisors is an integer number (197641500370).
Almost surely, 220000050000000 is an apocalyptic number.
20000050000000 is a gapful number since it is divisible by the number (20) 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 20000050000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28460376053280).
20000050000000 is an abundant number, since it is smaller than the sum of its proper divisors (36920702106560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000050000000 is an frugal number, since it uses more digits than its factorization.
20000050000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57204 (or 57157 counting only the distinct ones).
The product of its (nonzero) digits is 10, while the sum is 7.
Adding to 20000050000000 its reverse (5000002), we get a palindrome (20000055000002).
It can be divided in two parts, 200000 and 50000000, that multiplied together give a 13-th power (10000000000000 = 1013).
The spelling of 20000050000000 in words is "twenty trillion, fifty million", and thus it is an aban number and an uban number.
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