Base | Representation |
---|---|
bin | 111111011011101… |
… | …001000011000111 |
3 | 2202011111111112120 |
4 | 333123221003013 |
5 | 4134414220011 |
6 | 253333421023 |
7 | 35241432621 |
oct | 7733510307 |
9 | 2664444476 |
10 | 1064210631 |
11 | 4a67a0220 |
12 | 25849a773 |
13 | 13c62c843 |
14 | a14a3c11 |
15 | 63666a06 |
hex | 3f6e90c7 |
1064210631 has 16 divisors (see below), whose sum is σ = 1548488448. Its totient is φ = 644748800.
The previous prime is 1064210629. The next prime is 1064210689. The reversal of 1064210631 is 1360124601.
It is a cyclic number.
It is not a de Polignac number, because 1064210631 - 21 = 1064210629 is a prime.
It is a super-2 number, since 2×10642106312 = 2265088534266836322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1064210611) 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, 176590 + ... + 182516.
It is an arithmetic number, because the mean of its divisors is an integer number (96780528).
Almost surely, 21064210631 is an apocalyptic number.
1064210631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1064210631 is a deficient number, since it is larger than the sum of its proper divisors (484277817).
1064210631 is a wasteful number, since it uses less digits than its factorization.
1064210631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11382.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 1064210631 is about 32622.2413546341. The cubic root of 1064210631 is about 1020.9611058296.
The spelling of 1064210631 in words is "one billion, sixty-four million, two hundred ten thousand, six hundred thirty-one".
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