Base | Representation |
---|---|
bin | 100000000011001110… |
… | …1100110001000111101 |
3 | 20120122201211111210022 |
4 | 1000012131212020331 |
5 | 2111424420222204 |
6 | 51341420421525 |
7 | 4654422324623 |
oct | 1000635461075 |
9 | 216581744708 |
10 | 68827898429 |
11 | 2720a610894 |
12 | 1140a3a78a5 |
13 | 664b670724 |
14 | 348d0a9513 |
15 | 1bcc7865be |
hex | 100676623d |
68827898429 has 8 divisors (see below), whose sum is σ = 73175519232. Its totient is φ = 64593202960.
The previous prime is 68827898423. The next prime is 68827898431. The reversal of 68827898429 is 92489872886.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68827898429 - 24 = 68827898413 is a prime.
It is a super-3 number, since 3×688278984293 (a number of 33 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68827898423) 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, 28230077 + ... + 28232514.
It is an arithmetic number, because the mean of its divisors is an integer number (9146939904).
Almost surely, 268827898429 is an apocalyptic number.
It is an amenable number.
68827898429 is a deficient number, since it is larger than the sum of its proper divisors (4347620803).
68827898429 is a wasteful number, since it uses less digits than its factorization.
68827898429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56462667.
The product of its digits is 222953472, while the sum is 71.
The spelling of 68827898429 in words is "sixty-eight billion, eight hundred twenty-seven million, eight hundred ninety-eight thousand, four hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •