Base | Representation |
---|---|
bin | 100100010101000001… |
… | …1100010010010111010 |
3 | 21110100222221200021002 |
4 | 1020222003202102322 |
5 | 2234233313400211 |
6 | 55501203445002 |
7 | 5431166254043 |
oct | 1105203422272 |
9 | 243328850232 |
10 | 78014981306 |
11 | 300a4472169 |
12 | 13153086762 |
13 | 7483b04742 |
14 | 3ac129d8ca |
15 | 20690ba03b |
hex | 122a0e24ba |
78014981306 has 4 divisors (see below), whose sum is σ = 117022471962. Its totient is φ = 39007490652.
The previous prime is 78014981267. The next prime is 78014981323. The reversal of 78014981306 is 60318941087.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60318941087 = 37 ⋅1630241651.
It can be written as a sum of positive squares in only one way, i.e., 69076980625 + 8938000681 = 262825^2 + 94541^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19503745325 + ... + 19503745328.
Almost surely, 278014981306 is an apocalyptic number.
78014981306 is a deficient number, since it is larger than the sum of its proper divisors (39007490656).
78014981306 is a wasteful number, since it uses less digits than its factorization.
78014981306 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39007490655.
The product of its (nonzero) digits is 290304, while the sum is 47.
The spelling of 78014981306 in words is "seventy-eight billion, fourteen million, nine hundred eighty-one thousand, three hundred six".
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