Base | Representation |
---|---|
bin | 111111110000110011… |
… | …111011101000111111 |
3 | 20112201102022211100200 |
4 | 333300303323220333 |
5 | 2110203422424121 |
6 | 51241403054543 |
7 | 4642421651622 |
oct | 776063735077 |
9 | 215642284320 |
10 | 68464654911 |
11 | 27043570634 |
12 | 11328811453 |
13 | 65c132b533 |
14 | 3456b51db9 |
15 | 1baa933a26 |
hex | ff0cfba3f |
68464654911 has 24 divisors (see below), whose sum is σ = 101208753360. Its totient is φ = 44574800256.
The previous prime is 68464654903. The next prime is 68464654919. The reversal of 68464654911 is 11945646486.
68464654911 is a `hidden beast` number, since 6 + 8 + 46 + 46 + 549 + 11 = 666.
It is an interprime number because it is at equal distance from previous prime (68464654903) and next prime (68464654919).
It is not a de Polignac number, because 68464654911 - 23 = 68464654903 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68464654919) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4213675 + ... + 4229891.
It is an arithmetic number, because the mean of its divisors is an integer number (4217031390).
Almost surely, 268464654911 is an apocalyptic number.
68464654911 is a deficient number, since it is larger than the sum of its proper divisors (32744098449).
68464654911 is a wasteful number, since it uses less digits than its factorization.
68464654911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27175 (or 27172 counting only the distinct ones).
The product of its digits is 4976640, while the sum is 54.
The spelling of 68464654911 in words is "sixty-eight billion, four hundred sixty-four million, six hundred fifty-four thousand, nine hundred eleven".
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