Base | Representation |
---|---|
bin | 11111010011100010011011… |
… | …11001111110100000001101 |
3 | 100000202010202122022011222110 |
4 | 33221301031321332200031 |
5 | 33010342423433123031 |
6 | 402225045525534233 |
7 | 20333413134356022 |
oct | 1751611571764015 |
9 | 300663678264873 |
10 | 68841042864141 |
11 | 1aa31360018369 |
12 | 7879a31b74379 |
13 | 2c548b4568b32 |
14 | 12ddcd2213549 |
15 | 7e5aa813dc46 |
hex | 3e9c4de7e80d |
68841042864141 has 32 divisors (see below), whose sum is σ = 92316579683328. Its totient is φ = 45630672012800.
The previous prime is 68841042864107. The next prime is 68841042864157. The reversal of 68841042864141 is 14146824014886.
It is a cyclic number.
It is not a de Polignac number, because 68841042864141 - 227 = 68840908646413 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68841046864141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575259985 + ... + 575379641.
It is an arithmetic number, because the mean of its divisors is an integer number (2884893115104).
Almost surely, 268841042864141 is an apocalyptic number.
It is an amenable number.
68841042864141 is a deficient number, since it is larger than the sum of its proper divisors (23475536819187).
68841042864141 is a wasteful number, since it uses less digits than its factorization.
68841042864141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121541.
The product of its (nonzero) digits is 9437184, while the sum is 57.
The spelling of 68841042864141 in words is "sixty-eight trillion, eight hundred forty-one billion, forty-two million, eight hundred sixty-four thousand, one hundred forty-one".
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