Base | Representation |
---|---|
bin | 111011011000010… |
… | …1101010100000000 |
3 | 12010212012110201120 |
4 | 1312300231110000 |
5 | 13040033330000 |
6 | 525413432240 |
7 | 100242541410 |
oct | 16660552400 |
9 | 5125173646 |
10 | 1992480000 |
11 | 932780795 |
12 | 47733b680 |
13 | 259a43564 |
14 | 14c89c640 |
15 | b9dc96a0 |
hex | 76c2d500 |
1992480000 has 360 divisors, whose sum is σ = 7585921728. Its totient is φ = 454656000.
The previous prime is 1992479999. The next prime is 1992480023. The reversal of 1992480000 is 842991.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3359704 + ... + 3360296.
Almost surely, 21992480000 is an apocalyptic number.
1992480000 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 1992480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792960864).
1992480000 is an abundant number, since it is smaller than the sum of its proper divisors (5593441728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1992480000 is an frugal number, since it uses more digits than its factorization.
1992480000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 639 (or 610 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 1992480000 is about 44637.2042135257. The cubic root of 1992480000 is about 1258.3399655611.
The spelling of 1992480000 in words is "one billion, nine hundred ninety-two million, four hundred eighty thousand".
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