Base | Representation |
---|---|
bin | 110010001111001101… |
… | …111000101010001010 |
3 | 12011020100010022011120 |
4 | 302033031320222022 |
5 | 1340433222430021 |
6 | 40440352340110 |
7 | 3616512513234 |
oct | 621715705212 |
9 | 164210108146 |
10 | 53942389386 |
11 | 209710885a6 |
12 | a555244636 |
13 | 511876cc02 |
14 | 287a169254 |
15 | 160aa3a2c6 |
hex | c8f378a8a |
53942389386 has 32 divisors (see below), whose sum is σ = 109026673920. Its totient is φ = 17791440576.
The previous prime is 53942389381. The next prime is 53942389409. The reversal of 53942389386 is 68398324935.
53942389386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×539423893863 (a number of 33 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (53942389381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105340 + ... + 344936.
It is an arithmetic number, because the mean of its divisors is an integer number (3407083560).
Almost surely, 253942389386 is an apocalyptic number.
53942389386 is an abundant number, since it is smaller than the sum of its proper divisors (55084284534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53942389386 is a wasteful number, since it uses less digits than its factorization.
53942389386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239998.
The product of its digits is 33592320, while the sum is 60.
The spelling of 53942389386 in words is "fifty-three billion, nine hundred forty-two million, three hundred eighty-nine thousand, three hundred eighty-six".
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