Base | Representation |
---|---|
bin | 11000110110001110111… |
… | …10001111111000110110 |
3 | 10000121200022110202010110 |
4 | 30123013132033320312 |
5 | 102441440012314430 |
6 | 1452112444003450 |
7 | 115452503166135 |
oct | 14330736177066 |
9 | 3017608422113 |
10 | 853750119990 |
11 | 2aa08975a469 |
12 | 119567230586 |
13 | 6267b93abc1 |
14 | 2d470b6191c |
15 | 1731beed7b0 |
hex | c6c778fe36 |
853750119990 has 128 divisors (see below), whose sum is σ = 2205604546560. Its totient is φ = 211079418368.
The previous prime is 853750119977. The next prime is 853750119991. The reversal of 853750119990 is 99911057358.
It is a self number, because there is not a number n which added to its sum of digits gives 853750119990.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (853750119991) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1970197 + ... + 2364143.
It is an arithmetic number, because the mean of its divisors is an integer number (17231285520).
Almost surely, 2853750119990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 853750119990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102802273280).
853750119990 is an abundant number, since it is smaller than the sum of its proper divisors (1351854426570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
853750119990 is a wasteful number, since it uses less digits than its factorization.
853750119990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394086.
The product of its (nonzero) digits is 3061800, while the sum is 57.
The spelling of 853750119990 in words is "eight hundred fifty-three billion, seven hundred fifty million, one hundred nineteen thousand, nine hundred ninety".
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