Base | Representation |
---|---|
bin | 111010101001101… |
… | …1001101001110110 |
3 | 12002011011210000211 |
4 | 1311103121221312 |
5 | 13012303120321 |
6 | 523141300034 |
7 | 66524615614 |
oct | 16523315166 |
9 | 5064153024 |
10 | 1968020086 |
11 | 91a99468a |
12 | 46b10461a |
13 | 25495b136 |
14 | 1495326b4 |
15 | b7b970e1 |
hex | 754d9a76 |
1968020086 has 8 divisors (see below), whose sum is σ = 2952222480. Its totient is φ = 983945928.
The previous prime is 1968020081. The next prime is 1968020101. The reversal of 1968020086 is 6800208691.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1968020081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31560 + ... + 70228.
It is an arithmetic number, because the mean of its divisors is an integer number (369027810).
Almost surely, 21968020086 is an apocalyptic number.
1968020086 is a deficient number, since it is larger than the sum of its proper divisors (984202394).
1968020086 is a wasteful number, since it uses less digits than its factorization.
1968020086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64118.
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 1968020086 is about 44362.3724117636. The cubic root of 1968020086 is about 1253.1695745912.
The spelling of 1968020086 in words is "one billion, nine hundred sixty-eight million, twenty thousand, eighty-six".
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