Base | Representation |
---|---|
bin | 101011011000101001100… |
… | …000001110110011000010 |
3 | 101120000112010220012210200 |
4 | 223120221200032303002 |
5 | 342321403311242443 |
6 | 10201345442310030 |
7 | 425253650423304 |
oct | 53305140166302 |
9 | 11500463805720 |
10 | 2981403618498 |
11 | a4a451688048 |
12 | 401996058316 |
13 | 1881b6b9ca76 |
14 | a442d1c5974 |
15 | 52846d34dd3 |
hex | 2b62980ecc2 |
2981403618498 has 18 divisors (see below), whose sum is σ = 6459723712377. Its totient is φ = 993798764280.
The previous prime is 2981403618379. The next prime is 2981403618517. The reversal of 2981403618498 is 8948163041892.
2981403618498 is a `hidden beast` number, since 2 + 9 + 8 + 1 + 4 + 0 + 3 + 618 + 4 + 9 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2885252151609 + 96151466889 = 1698603^2 + 310083^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=1220943.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7122168 + ... + 7529148.
Almost surely, 22981403618498 is an apocalyptic number.
2981403618498 is an abundant number, since it is smaller than the sum of its proper divisors (3478320093879).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2981403618498 is an frugal number, since it uses more digits than its factorization.
2981403618498 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 813970 (or 406986 counting only the distinct ones).
The product of its (nonzero) digits is 23887872, while the sum is 63.
The spelling of 2981403618498 in words is "two trillion, nine hundred eighty-one billion, four hundred three million, six hundred eighteen thousand, four hundred ninety-eight".
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