Base | Representation |
---|---|
bin | 110011001001011100… |
… | …111010101000111100 |
3 | 12020202102120000000010 |
4 | 303021130322220330 |
5 | 1344433332030223 |
6 | 41121333303220 |
7 | 3652645160451 |
oct | 631134725074 |
9 | 166672500003 |
10 | 54919408188 |
11 | 21322635257 |
12 | a788494b10 |
13 | 5242cc1a48 |
14 | 292dc13828 |
15 | 16666cc393 |
hex | cc973aa3c |
54919408188 has 48 divisors (see below), whose sum is σ = 134081418240. Its totient is φ = 17462791104.
The previous prime is 54919408183. The next prime is 54919408289. The reversal of 54919408188 is 88180491945.
It is a super-2 number, since 2×549194081882 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54919408183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169803 + ... + 372386.
It is an arithmetic number, because the mean of its divisors is an integer number (2793362880).
Almost surely, 254919408188 is an apocalyptic number.
It is an amenable number.
54919408188 is an abundant number, since it is smaller than the sum of its proper divisors (79162010052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54919408188 is a wasteful number, since it uses less digits than its factorization.
54919408188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 542586 (or 542584 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 57.
The spelling of 54919408188 in words is "fifty-four billion, nine hundred nineteen million, four hundred eight thousand, one hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •