Base | Representation |
---|---|
bin | 100101110011111… |
… | …0000101100101000 |
3 | 10021102022100210210 |
4 | 1023213300230220 |
5 | 10044242324110 |
6 | 325520541120 |
7 | 43303615311 |
oct | 11347605450 |
9 | 3242270723 |
10 | 1268714280 |
11 | 5a11798a9 |
12 | 2b4a817a0 |
13 | 172b02a12 |
14 | c06d9608 |
15 | 765b0520 |
hex | 4b9f0b28 |
1268714280 has 64 divisors (see below), whose sum is σ = 3839866560. Its totient is φ = 335326208.
The previous prime is 1268714263. The next prime is 1268714297. The reversal of 1268714280 is 824178621.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1268714263) and next prime (1268714297).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33222 + ... + 60341.
It is an arithmetic number, because the mean of its divisors is an integer number (59997915).
Almost surely, 21268714280 is an apocalyptic number.
1268714280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1268714280 is an abundant number, since it is smaller than the sum of its proper divisors (2571152280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1268714280 is a wasteful number, since it uses less digits than its factorization.
1268714280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93690 (or 93686 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 39.
The square root of 1268714280 is about 35619.0157079052. The cubic root of 1268714280 is about 1082.5665639011.
The spelling of 1268714280 in words is "one billion, two hundred sixty-eight million, seven hundred fourteen thousand, two hundred eighty".
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