Base | Representation |
---|---|
bin | 11111010000100001000010… |
… | …10101011011011001110111 |
3 | 100000101012202202111102111121 |
4 | 33220100201111123121313 |
5 | 33002142304230324313 |
6 | 402105235133044411 |
7 | 20323046200443631 |
oct | 1750204125333167 |
9 | 300335682442447 |
10 | 68737215870583 |
11 | 1a9a1320424377 |
12 | 7861896626707 |
13 | 2c47b78c30580 |
14 | 12d8c82bd5a51 |
15 | 7e302ce5528d |
hex | 3e842155b677 |
68737215870583 has 8 divisors (see below), whose sum is σ = 74025905987376. Its totient is φ = 63448698892800.
The previous prime is 68737215870551. The next prime is 68737215870709. The reversal of 68737215870583 is 38507851273786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68737215870583 - 25 = 68737215870551 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68737215874583) 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, 42459613 + ... + 44048758.
It is an arithmetic number, because the mean of its divisors is an integer number (9253238248422).
Almost surely, 268737215870583 is an apocalyptic number.
68737215870583 is a deficient number, since it is larger than the sum of its proper divisors (5288690116793).
68737215870583 is a wasteful number, since it uses less digits than its factorization.
68737215870583 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86569505.
The product of its (nonzero) digits is 474163200, while the sum is 70.
The spelling of 68737215870583 in words is "sixty-eight trillion, seven hundred thirty-seven billion, two hundred fifteen million, eight hundred seventy thousand, five hundred eighty-three".
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