Base | Representation |
---|---|
bin | 11111010100100101110100… |
… | …01111111000001010110010 |
3 | 100000212121010220111111000210 |
4 | 33222102322033320022302 |
5 | 33011441021343024213 |
6 | 402253431433324550 |
7 | 20336133504351405 |
oct | 1752227217701262 |
9 | 300777126444023 |
10 | 68877220283058 |
11 | 1aa45735251690 |
12 | 7884a49866756 |
13 | 2c5812b6a8aa5 |
14 | 1301964c51d3c |
15 | 7e69c42490c3 |
hex | 3ea4ba3f82b2 |
68877220283058 has 64 divisors (see below), whose sum is σ = 151688705702400. Its totient is φ = 20675911238400.
The previous prime is 68877220282879. The next prime is 68877220283063. The reversal of 68877220283058 is 85038202277886.
It is a super-3 number, since 3×688772202830583 (a number of 42 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 68877220283058.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169928218 + ... + 170333066.
It is an arithmetic number, because the mean of its divisors is an integer number (2370136026600).
Almost surely, 268877220283058 is an apocalyptic number.
68877220283058 is an abundant number, since it is smaller than the sum of its proper divisors (82811485419342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68877220283058 is a wasteful number, since it uses less digits than its factorization.
68877220283058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429063.
The product of its (nonzero) digits is 144506880, while the sum is 66.
The spelling of 68877220283058 in words is "sixty-eight trillion, eight hundred seventy-seven billion, two hundred twenty million, two hundred eighty-three thousand, fifty-eight".
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