| Base | Representation |
|---|---|
| bin | 1001010001010101… |
| … | …1011010100000000 |
| 3 | 20102102211020222000 |
| 4 | 2110111123110000 |
| 5 | 20044043113424 |
| 6 | 1050540144000 |
| 7 | 115446063246 |
| oct | 22425332400 |
| 9 | 6372736860 |
| 10 | 2488644864 |
| 11 | 10678587a2 |
| 12 | 595538000 |
| 13 | 308784b34 |
| 14 | 198736796 |
| 15 | e87363c9 |
| hex | 9455b500 |
2488644864 has 216 divisors, whose sum is σ = 7592397120. Its totient is φ = 804059136.
The previous prime is 2488644857. The next prime is 2488644881. The reversal of 2488644864 is 4684468842.
2488644864 is a `hidden beast` number, since 2 + 488 + 64 + 48 + 64 = 666.
It is a tau number, because it is divible by the number of its divisors (216).
It is a super-2 number, since 2×24886448642 = 12386706518227156992, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 2488644864.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9462397 + ... + 9462659.
Almost surely, 22488644864 is an apocalyptic number.
2488644864 is a gapful number since it is divisible by the number (24) 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 2488644864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3796198560).
2488644864 is an abundant number, since it is smaller than the sum of its proper divisors (5103752256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2488644864 is an equidigital number, since it uses as much as digits as its factorization.
2488644864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362 (or 305 counting only the distinct ones).
The product of its digits is 9437184, while the sum is 54.
The square root of 2488644864 is about 49886.3194072283. The cubic root of 2488644864 is about 1355.1508506137.
The spelling of 2488644864 in words is "two billion, four hundred eighty-eight million, six hundred forty-four thousand, eight hundred sixty-four".
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