Base | Representation |
---|---|
bin | 111001110111111… |
… | …0001111001111100 |
3 | 12000100000222220011 |
4 | 1303233301321330 |
5 | 12434111430040 |
6 | 520405433004 |
7 | 66056630446 |
oct | 16357617174 |
9 | 5010028804 |
10 | 1941905020 |
11 | 907177a90 |
12 | 46240b764 |
13 | 24c416533 |
14 | 145c95496 |
15 | b57393ea |
hex | 73bf1e7c |
1941905020 has 36 divisors (see below), whose sum is σ = 4450225752. Its totient is φ = 705909600.
The previous prime is 1941904997. The next prime is 1941905027. The reversal of 1941905020 is 205091491.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1941905027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652135 + ... + 655105.
It is an arithmetic number, because the mean of its divisors is an integer number (123617382).
Almost surely, 21941905020 is an apocalyptic number.
1941905020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1941905020 is an abundant number, since it is smaller than the sum of its proper divisors (2508320732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1941905020 is an equidigital number, since it uses as much as digits as its factorization.
1941905020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5962 (or 2989 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 31.
The square root of 1941905020 is about 44067.0514103224. The cubic root of 1941905020 is about 1247.6018061421.
The spelling of 1941905020 in words is "one billion, nine hundred forty-one million, nine hundred five thousand, twenty".
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