Base | Representation |
---|---|
bin | 1011010010100001110… |
… | …0110111110101010000 |
3 | 200112121212020212220110 |
4 | 2310220130313311100 |
5 | 11134203224420210 |
6 | 225033404241320 |
7 | 20004213243201 |
oct | 2645034676520 |
9 | 615555225813 |
10 | 193952185680 |
11 | 75288a52850 |
12 | 3170a240240 |
13 | 1539c381b16 |
14 | 955cbc75a8 |
15 | 50a2544420 |
hex | 2d28737d50 |
193952185680 has 160 divisors (see below), whose sum is σ = 660090215808. Its totient is φ = 46719129600.
The previous prime is 193952185667. The next prime is 193952185681. The reversal of 193952185680 is 86581259391.
It is a happy number.
193952185680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 193952185680.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193952185681) 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 31 ways as a sum of consecutive naturals, for example, 180510 + ... + 648450.
Almost surely, 2193952185680 is an apocalyptic number.
193952185680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 193952185680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330045107904).
193952185680 is an abundant number, since it is smaller than the sum of its proper divisors (466138030128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193952185680 is a wasteful number, since it uses less digits than its factorization.
193952185680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 468125 (or 468119 counting only the distinct ones).
The product of its (nonzero) digits is 4665600, while the sum is 57.
The spelling of 193952185680 in words is "one hundred ninety-three billion, nine hundred fifty-two million, one hundred eighty-five thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •