Base | Representation |
---|---|
bin | 111111011101111111… |
… | …010100111000000010 |
3 | 20111220102010112102022 |
4 | 333131333110320002 |
5 | 2104032102443004 |
6 | 51150202521442 |
7 | 4631535610022 |
oct | 773577247002 |
9 | 214812115368 |
10 | 68148874754 |
11 | 269a12992a4 |
12 | 1125ab06282 |
13 | 6570a96c7c |
14 | 3426c31a82 |
15 | 1b8cd592be |
hex | fddfd4e02 |
68148874754 has 16 divisors (see below), whose sum is σ = 103503068568. Its totient is φ = 33650429952.
The previous prime is 68148874733. The next prime is 68148874793. The reversal of 68148874754 is 45747884186.
It can be written as a sum of positive squares in 4 ways, for example, as 29427687025 + 38721187729 = 171545^2 + 196777^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591467 + ... + 697230.
Almost surely, 268148874754 is an apocalyptic number.
68148874754 is a deficient number, since it is larger than the sum of its proper divisors (35354193814).
68148874754 is a wasteful number, since it uses less digits than its factorization.
68148874754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1289029.
The product of its digits is 48168960, while the sum is 62.
The spelling of 68148874754 in words is "sixty-eight billion, one hundred forty-eight million, eight hundred seventy-four thousand, seven hundred fifty-four".
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