Base | Representation |
---|---|
bin | 1001110011011000110… |
… | …0011111100011110101 |
3 | 121002200222201021010222 |
4 | 2130312030133203311 |
5 | 10224402210003310 |
6 | 205211242224125 |
7 | 15111300422135 |
oct | 2346614374365 |
9 | 532628637128 |
10 | 168412969205 |
11 | 65472804478 |
12 | 287811b5045 |
13 | 12b5c212500 |
14 | 8218d9aac5 |
15 | 45aa35e055 |
hex | 273631f8f5 |
168412969205 has 48 divisors (see below), whose sum is σ = 220803408000. Its totient is φ = 123252450048.
The previous prime is 168412969201. The next prime is 168412969211. The reversal of 168412969205 is 502969214861.
It is not a de Polignac number, because 168412969205 - 22 = 168412969201 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168412969201) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98543891 + ... + 98545599.
It is an arithmetic number, because the mean of its divisors is an integer number (4600071000).
Almost surely, 2168412969205 is an apocalyptic number.
It is an amenable number.
168412969205 is a deficient number, since it is larger than the sum of its proper divisors (52390438795).
168412969205 is a wasteful number, since it uses less digits than its factorization.
168412969205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2718 (or 2705 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 53.
The spelling of 168412969205 in words is "one hundred sixty-eight billion, four hundred twelve million, nine hundred sixty-nine thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •