| Base | Representation |
|---|---|
| bin | 111010000010110110110… |
| … | …100100000000000000000 |
| 3 | 112010022210010000120000000 |
| 4 | 322002312310200000000 |
| 5 | 1010323023444212220 |
| 6 | 12252232240000000 |
| 7 | 561116050642362 |
| oct | 72026664400000 |
| 9 | 15108703016000 |
| 10 | 3988796866560 |
| 11 | 12a8703930700 |
| 12 | 545080000000 |
| 13 | 22c1aca8a7ac |
| 14 | db0b74b2d32 |
| 15 | 6db57693390 |
| hex | 3a0b6d20000 |
3988796866560 has 1728 divisors, whose sum is σ = 16467445774080. Its totient is φ = 924938403840.
The previous prime is 3988796866499. The next prime is 3988796866577. The reversal of 3988796866560 is 656686978893.
3988796866560 is a `hidden beast` number, since 398 + 8 + 7 + 96 + 86 + 6 + 5 + 60 = 666.
It is a tau number, because it is divible by the number of its divisors (1728).
It is a Harshad number since it is a multiple of its sum of digits (81).
It is a self number, because there is not a number n which added to its sum of digits gives 3988796866560.
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 95 ways as a sum of consecutive naturals, for example, 173425950709 + ... + 173425950731.
It is an arithmetic number, because the mean of its divisors is an integer number (9529771860).
Almost surely, 23988796866560 is an apocalyptic number.
3988796866560 is a gapful number since it is divisible by the number (30) 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 3988796866560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8233722887040).
3988796866560 is an abundant number, since it is smaller than the sum of its proper divisors (12478648907520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3988796866560 is an frugal number, since it uses more digits than its factorization.
3988796866560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105 (or 44 counting only the distinct ones).
The product of its (nonzero) digits is 5643509760, while the sum is 81.
The spelling of 3988796866560 in words is "three trillion, nine hundred eighty-eight billion, seven hundred ninety-six million, eight hundred sixty-six thousand, five hundred sixty".
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