Base | Representation |
---|---|
bin | 100000010100011001… |
… | …0011101110111100100 |
3 | 20122010212111002020211 |
4 | 1000220302131313210 |
5 | 2114114332414131 |
6 | 51514512105204 |
7 | 5004614344261 |
oct | 1005062356744 |
9 | 218125432224 |
10 | 69403794916 |
11 | 274856a63a5 |
12 | 1154b235204 |
13 | 6710a7a191 |
14 | 350577a268 |
15 | 1c130e25b1 |
hex | 1028c9dde4 |
69403794916 has 27 divisors (see below), whose sum is σ = 122381042889. Its totient is φ = 34439768688.
The previous prime is 69403794899. The next prime is 69403794919. The reversal of 69403794916 is 61949730496.
The square root of 69403794916 is 263446.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 20343316900 + 49060478016 = 142630^2 + 221496^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69403794919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82721625 + ... + 82722463.
Almost surely, 269403794916 is an apocalyptic number.
69403794916 is the 263446-th square number.
It is an amenable number.
69403794916 is a deficient number, since it is larger than the sum of its proper divisors (52977247973).
69403794916 is an frugal number, since it uses more digits than its factorization.
69403794916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1996 (or 998 counting only the distinct ones).
The product of its (nonzero) digits is 8817984, while the sum is 58.
The spelling of 69403794916 in words is "sixty-nine billion, four hundred three million, seven hundred ninety-four thousand, nine hundred sixteen".
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