Base | Representation |
---|---|
bin | 100111000110011101010… |
… | …000111110001101011001 |
3 | 100111212121011102210222101 |
4 | 213012131100332031121 |
5 | 323010430204011100 |
6 | 5414215413523401 |
7 | 365062122633121 |
oct | 47063520761531 |
9 | 10455534383871 |
10 | 2686993032025 |
11 | 946602575975 |
12 | 374910643561 |
13 | 1664c805cb53 |
14 | 940a0533c81 |
15 | 49d6520886a |
hex | 2719d43e359 |
2686993032025 has 27 divisors (see below), whose sum is σ = 3357772272631. Its totient is φ = 2133012227840.
The previous prime is 2686993032013. The next prime is 2686993032037. The reversal of 2686993032025 is 5202303996862.
The square root of 2686993032025 is 1639205.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (2686993032013) and next prime (2686993032037).
It can be written as a sum of positive squares in 13 ways, for example, as 2664981155529 + 22011876496 = 1632477^2 + 148364^2 .
It is not a de Polignac number, because 2686993032025 - 235 = 2652633293657 is a prime.
It is a super-3 number, since 3×26869930320253 (a number of 38 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1122854229 + ... + 1122856621.
Almost surely, 22686993032025 is an apocalyptic number.
2686993032025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2686993032025 is the 1639205-th square number.
2686993032025 is the 819603-rd centered octagonal number.
It is an amenable number.
2686993032025 is a deficient number, since it is larger than the sum of its proper divisors (670779240606).
2686993032025 is an frugal number, since it uses more digits than its factorization.
2686993032025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5070 (or 2535 counting only the distinct ones).
The product of its (nonzero) digits is 8398080, while the sum is 55.
The spelling of 2686993032025 in words is "two trillion, six hundred eighty-six billion, nine hundred ninety-three million, thirty-two thousand, twenty-five".
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