Base | Representation |
---|---|
bin | 1001111100001000… |
… | …1100011101010100 |
3 | 20212221121012100220 |
4 | 2133002030131110 |
5 | 20431021341120 |
6 | 1120431434340 |
7 | 123055631505 |
oct | 23702143524 |
9 | 6787535326 |
10 | 2668152660 |
11 | 114a114648 |
12 | 6256859b0 |
13 | 336a15974 |
14 | 1b4502bac |
15 | 109393b40 |
hex | 9f08c754 |
2668152660 has 48 divisors (see below), whose sum is σ = 7476840000. Its totient is φ = 710934784.
The previous prime is 2668152649. The next prime is 2668152661. The reversal of 2668152660 is 662518662.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2668152661) 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, 60091 + ... + 94589.
It is an arithmetic number, because the mean of its divisors is an integer number (155767500).
Almost surely, 22668152660 is an apocalyptic number.
2668152660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2668152660 is an abundant number, since it is smaller than the sum of its proper divisors (4808687340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2668152660 is a wasteful number, since it uses less digits than its factorization.
2668152660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35800 (or 35798 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 42.
The square root of 2668152660 is about 51654.1640141431. The cubic root of 2668152660 is about 1386.9800834281.
The spelling of 2668152660 in words is "two billion, six hundred sixty-eight million, one hundred fifty-two thousand, six hundred sixty".
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