Base | Representation |
---|---|
bin | 111010101010001… |
… | …0010011001000000 |
3 | 12002011121120211000 |
4 | 1311110102121000 |
5 | 13012333034410 |
6 | 523150252000 |
7 | 66526604265 |
oct | 16524223100 |
9 | 5064546730 |
10 | 1968252480 |
11 | 920033247 |
12 | 46b1b7000 |
13 | 254a0cb4c |
14 | 14959326c |
15 | b7be0dc0 |
hex | 75512640 |
1968252480 has 224 divisors, whose sum is σ = 6992599680. Its totient is φ = 521164800.
The previous prime is 1968252479. The next prime is 1968252487. The reversal of 1968252480 is 842528691.
1968252480 is a `hidden beast` number, since 1 + 96 + 82 + 5 + 2 + 480 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (1968252487) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1355755 + ... + 1357205.
Almost surely, 21968252480 is an apocalyptic number.
1968252480 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 1968252480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3496299840).
1968252480 is an abundant number, since it is smaller than the sum of its proper divisors (5024347200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1968252480 is a wasteful number, since it uses less digits than its factorization.
1968252480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1634 (or 1618 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 45.
The square root of 1968252480 is about 44364.9916037409. The cubic root of 1968252480 is about 1253.2188995667.
The spelling of 1968252480 in words is "one billion, nine hundred sixty-eight million, two hundred fifty-two thousand, four hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •