| Base | Representation |
|---|---|
| bin | 100101101011011… |
| … | …0010000000101010 |
| 3 | 10021002221020002100 |
| 4 | 1023112302000222 |
| 5 | 10042122410320 |
| 6 | 325241314230 |
| 7 | 43221026400 |
| oct | 11326620052 |
| 9 | 3232836070 |
| 10 | 1264263210 |
| 11 | 599709731 |
| 12 | 2b3495976 |
| 13 | 171c04a52 |
| 14 | bdc9b470 |
| 15 | 75ed1790 |
| hex | 4b5b202a |
1264263210 has 288 divisors, whose sum is σ = 4014204480. Its totient is φ = 275014656.
The previous prime is 1264263193. The next prime is 1264263227. The reversal of 1264263210 is 123624621.
1264263210 is a `hidden beast` number, since 1 + 2 + 642 + 6 + 3 + 2 + 10 = 666.
It is an interprime number because it is at equal distance from previous prime (1264263193) and next prime (1264263227).
It is a super-2 number, since 2×12642632102 = 3196722928319008200, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11188114 + ... + 11188226.
It is an arithmetic number, because the mean of its divisors is an integer number (13938210).
Almost surely, 21264263210 is an apocalyptic number.
1264263210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1264263210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007102240).
1264263210 is an abundant number, since it is smaller than the sum of its proper divisors (2749941270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1264263210 is a wasteful number, since it uses less digits than its factorization.
1264263210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242 (or 232 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 1264263210 is about 35556.4791564069. The cubic root of 1264263210 is about 1081.2990797773.
Adding to 1264263210 its reverse (123624621), we get a palindrome (1387887831).
The spelling of 1264263210 in words is "one billion, two hundred sixty-four million, two hundred sixty-three thousand, two hundred ten".
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