Base | Representation |
---|---|
bin | 1111000110000010… |
… | …01101000101000000 |
3 | 202220202120011200221 |
4 | 13203001031011000 |
5 | 113044022223130 |
6 | 3420042352424 |
7 | 404550256465 |
oct | 74301150500 |
9 | 22822504627 |
10 | 8103711040 |
11 | 3489374057 |
12 | 16a1abb714 |
13 | 9c1b85ab9 |
14 | 56c38366c |
15 | 32668487a |
hex | 1e304d140 |
8103711040 has 28 divisors (see below), whose sum is σ = 19296962676. Its totient is φ = 3241484288.
The previous prime is 8103710941. The next prime is 8103711047. The reversal of 8103711040 is 401173018.
It can be written as a sum of positive squares in 2 ways, for example, as 6095237184 + 2008473856 = 78072^2 + 44816^2 .
It is a junction number, because it is equal to n+sod(n) for n = 8103710996 and 8103711014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8103711047) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12661729 + ... + 12662368.
Almost surely, 28103711040 is an apocalyptic number.
8103711040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8103711040 is an abundant number, since it is smaller than the sum of its proper divisors (11193251636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8103711040 is a wasteful number, since it uses less digits than its factorization.
8103711040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25324114 (or 25324104 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 25.
The square root of 8103711040 is about 90020.6145280069. The cubic root of 8103711040 is about 2008.6055061917.
Adding to 8103711040 its reverse (401173018), we get a palindrome (8504884058).
The spelling of 8103711040 in words is "eight billion, one hundred three million, seven hundred eleven thousand, forty".
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