Base | Representation |
---|---|
bin | 1010000100110011… |
… | …1001011001111111 |
3 | 20222111000110212210 |
4 | 2201030321121333 |
5 | 21014323401024 |
6 | 1124211031503 |
7 | 124006656333 |
oct | 24114713177 |
9 | 6874013783 |
10 | 2704512639 |
11 | 1168699414 |
12 | 63589b593 |
13 | 34140674a |
14 | 1b92897c3 |
15 | 10c677129 |
hex | a133967f |
2704512639 has 8 divisors (see below), whose sum is σ = 3606283440. Its totient is φ = 1802875136.
The previous prime is 2704512637. The next prime is 2704512641. The reversal of 2704512639 is 9362154072.
It is an interprime number because it is at equal distance from previous prime (2704512637) and next prime (2704512641).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2704512639 - 21 = 2704512637 is a prime.
It is a super-2 number, since 2×27045126392 = 14628777229021488642, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2704512597 and 2704512606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2704512631) 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, 32719 + ... + 80495.
It is an arithmetic number, because the mean of its divisors is an integer number (450785430).
Almost surely, 22704512639 is an apocalyptic number.
2704512639 is a deficient number, since it is larger than the sum of its proper divisors (901770801).
2704512639 is a wasteful number, since it uses less digits than its factorization.
2704512639 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66649.
The product of its (nonzero) digits is 90720, while the sum is 39.
The square root of 2704512639 is about 52004.9289875489. The cubic root of 2704512639 is about 1393.2519892086.
The spelling of 2704512639 in words is "two billion, seven hundred four million, five hundred twelve thousand, six hundred thirty-nine".
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