Base | Representation |
---|---|
bin | 11111010101101111000111… |
… | …11111111000110111110110 |
3 | 100001000100201122011121122220 |
4 | 33222313203333320313312 |
5 | 33013112121303042444 |
6 | 402323500535103210 |
7 | 20342025661565364 |
oct | 1752674377706766 |
9 | 301010648147586 |
10 | 68916575440374 |
11 | 1aa603a0203892 |
12 | 78905b1811b06 |
13 | 2c5ba60c9191c |
14 | 1303819922634 |
15 | 7e7a29306619 |
hex | 3eade3ff8df6 |
68916575440374 has 16 divisors (see below), whose sum is σ = 140433776369712. Its totient is φ = 22538754231968.
The previous prime is 68916575440373. The next prime is 68916575440381. The reversal of 68916575440374 is 47304457561986.
It is a junction number, because it is equal to n+sod(n) for n = 68916575440299 and 68916575440308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68916575440373) 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, 108359395029 + ... + 108359395664.
It is an arithmetic number, because the mean of its divisors is an integer number (8777111023107).
Almost surely, 268916575440374 is an apocalyptic number.
68916575440374 is an abundant number, since it is smaller than the sum of its proper divisors (71517200929338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68916575440374 is a wasteful number, since it uses less digits than its factorization.
68916575440374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216718790751.
The product of its (nonzero) digits is 609638400, while the sum is 69.
The spelling of 68916575440374 in words is "sixty-eight trillion, nine hundred sixteen billion, five hundred seventy-five million, four hundred forty thousand, three hundred seventy-four".
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