Base | Representation |
---|---|
bin | 100000000011100000… |
… | …0111101000010000001 |
3 | 20120200101021102012100 |
4 | 1000013000331002001 |
5 | 2111434303322413 |
6 | 51342351221013 |
7 | 4654564160442 |
oct | 1000700750201 |
9 | 216611242170 |
10 | 68837167233 |
11 | 2721487165a |
12 | 11411517769 |
13 | 6650567523 |
14 | 34903dd2c9 |
15 | 1bcd4b7a73 |
hex | 100703d081 |
68837167233 has 24 divisors (see below), whose sum is σ = 99828553448. Its totient is φ = 45708302592.
The previous prime is 68837167163. The next prime is 68837167277. The reversal of 68837167233 is 33276173886.
It can be written as a sum of positive squares in 4 ways, for example, as 199809 + 68836967424 = 447^2 + 262368^2 .
It is not a de Polignac number, because 68837167233 - 221 = 68835070081 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68837167233.
It is not an unprimeable number, because it can be changed into a prime (68837167433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11995941 + ... + 12001677.
Almost surely, 268837167233 is an apocalyptic number.
It is an amenable number.
68837167233 is a deficient number, since it is larger than the sum of its proper divisors (30991386215).
68837167233 is a wasteful number, since it uses less digits than its factorization.
68837167233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10833 (or 10830 counting only the distinct ones).
The product of its digits is 6096384, while the sum is 54.
The spelling of 68837167233 in words is "sixty-eight billion, eight hundred thirty-seven million, one hundred sixty-seven thousand, two hundred thirty-three".
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