Base | Representation |
---|---|
bin | 101011010111111110100… |
… | …110111010101110000010 |
3 | 101112221122222201022120002 |
4 | 223113332212322232002 |
5 | 342313420042412403 |
6 | 10201150213320002 |
7 | 425230061356256 |
oct | 53277646725602 |
9 | 11487588638502 |
10 | 2980683950978 |
11 | a4a1124251a8 |
12 | 401815036002 |
13 | 188100a656b6 |
14 | a43a17ac266 |
15 | 52803a7a188 |
hex | 2b5fe9bab82 |
2980683950978 has 16 divisors (see below), whose sum is σ = 4475261063736. Its totient is φ = 1488930537600.
The previous prime is 2980683950971. The next prime is 2980683951023. The reversal of 2980683950978 is 8790593860892.
It can be written as a sum of positive squares in 4 ways, for example, as 2790192729769 + 190491221209 = 1670387^2 + 436453^2 .
It is not an unprimeable number, because it can be changed into a prime (2980683950971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23560700 + ... + 23686872.
Almost surely, 22980683950978 is an apocalyptic number.
2980683950978 is a deficient number, since it is larger than the sum of its proper divisors (1494577112758).
2980683950978 is a wasteful number, since it uses less digits than its factorization.
2980683950978 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137269.
The product of its (nonzero) digits is 470292480, while the sum is 74.
The spelling of 2980683950978 in words is "two trillion, nine hundred eighty billion, six hundred eighty-three million, nine hundred fifty thousand, nine hundred seventy-eight".
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