Base | Representation |
---|---|
bin | 111001001101111… |
… | …1000110001100100 |
3 | 11221210122200121010 |
4 | 1302123320301210 |
5 | 12412444204220 |
6 | 514302222220 |
7 | 65401664112 |
oct | 16233706144 |
9 | 4853580533 |
10 | 1919913060 |
11 | 8a581710a |
12 | 456b84970 |
13 | 2479b6540 |
14 | 142dacab2 |
15 | b38431e0 |
hex | 726f8c64 |
1919913060 has 96 divisors (see below), whose sum is σ = 5805676800. Its totient is φ = 471255552.
The previous prime is 1919913019. The next prime is 1919913077. The reversal of 1919913060 is 603199191.
It is a happy number.
1919913060 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287641 + ... + 294239.
It is an arithmetic number, because the mean of its divisors is an integer number (60475800).
Almost surely, 21919913060 is an apocalyptic number.
1919913060 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 1919913060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2902838400).
1919913060 is an abundant number, since it is smaller than the sum of its proper divisors (3885763740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1919913060 is a wasteful number, since it uses less digits than its factorization.
1919913060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6997 (or 6995 counting only the distinct ones).
The product of its (nonzero) digits is 13122, while the sum is 39.
The square root of 1919913060 is about 43816.8125267003. The cubic root of 1919913060 is about 1242.8742421821.
The spelling of 1919913060 in words is "one billion, nine hundred nineteen million, nine hundred thirteen thousand, sixty".
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