Base | Representation |
---|---|
bin | 1110100111110101… |
… | …0100010001010100 |
3 | 101010112220001022200 |
4 | 3221331110101110 |
5 | 31014320241030 |
6 | 1445253524500 |
7 | 166161232101 |
oct | 35175242124 |
9 | 11115801280 |
10 | 3925165140 |
11 | 1734720736 |
12 | 916643730 |
13 | 4a727c330 |
14 | 293433aa8 |
15 | 17e8e1d60 |
hex | e9f54454 |
3925165140 has 144 divisors (see below), whose sum is σ = 12955142928. Its totient is φ = 956178432.
The previous prime is 3925165129. The next prime is 3925165169. The reversal of 3925165140 is 415615293.
3925165140 is a `hidden beast` number, since 3 + 92 + 51 + 6 + 514 + 0 = 666.
3925165140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 1186526916 + 2738638224 = 34446^2 + 52332^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 3925165095 and 3925165104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218334 + ... + 235626.
Almost surely, 23925165140 is an apocalyptic number.
3925165140 is a gapful number since it is divisible by the number (30) 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 3925165140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6477571464).
3925165140 is an abundant number, since it is smaller than the sum of its proper divisors (9029977788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3925165140 is a wasteful number, since it uses less digits than its factorization.
3925165140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17418 (or 17413 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The square root of 3925165140 is about 62651.1383775267. The cubic root of 3925165140 is about 1577.4392558170.
The spelling of 3925165140 in words is "three billion, nine hundred twenty-five million, one hundred sixty-five thousand, one hundred forty".
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