Base | Representation |
---|---|
bin | 101011000110011101001… |
… | …011101000011010011001 |
3 | 101111011002210002011021200 |
4 | 223012131023220122121 |
5 | 342011402100221334 |
6 | 10144355235224413 |
7 | 423662613454155 |
oct | 53063513503231 |
9 | 11434083064250 |
10 | 2961869538969 |
11 | a42138158a70 |
12 | 3ba044148109 |
13 | 1863c2ba7423 |
14 | a34d8b44065 |
15 | 520a1e4e799 |
hex | 2b19d2e8699 |
2961869538969 has 48 divisors (see below), whose sum is σ = 4680947281920. Its totient is φ = 1789782778080.
The previous prime is 2961869538959. The next prime is 2961869538977. The reversal of 2961869538969 is 9698359681692.
2961869538969 is a `hidden beast` number, since 2 + 9 + 6 + 18 + 6 + 9 + 538 + 9 + 69 = 666.
2961869538969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2961869538969 - 28 = 2961869538713 is a prime.
It is a super-2 number, since 2×29618695389692 (a number of 26 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2961869538959) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297162624 + ... + 297172590.
It is an arithmetic number, because the mean of its divisors is an integer number (97519735040).
Almost surely, 22961869538969 is an apocalyptic number.
It is an amenable number.
2961869538969 is a deficient number, since it is larger than the sum of its proper divisors (1719077742951).
2961869538969 is a wasteful number, since it uses less digits than its factorization.
2961869538969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18530 (or 18527 counting only the distinct ones).
The product of its digits is 2720977920, while the sum is 81.
The spelling of 2961869538969 in words is "two trillion, nine hundred sixty-one billion, eight hundred sixty-nine million, five hundred thirty-eight thousand, nine hundred sixty-nine".
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