Base | Representation |
---|---|
bin | 111111111011111… |
… | …010000010111100 |
3 | 2202202102020001022 |
4 | 333323322002330 |
5 | 4144100400420 |
6 | 254235003312 |
7 | 35403351314 |
oct | 7773720274 |
9 | 2682366038 |
10 | 1072668860 |
11 | 500547a9a |
12 | 25b299538 |
13 | 141301703 |
14 | a2666444 |
15 | 64287c25 |
hex | 3fefa0bc |
1072668860 has 24 divisors (see below), whose sum is σ = 2253254976. Its totient is φ = 428943680.
The previous prime is 1072668859. The next prime is 1072668881. The reversal of 1072668860 is 688662701.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99494 + ... + 109746.
It is an arithmetic number, because the mean of its divisors is an integer number (93885624).
Almost surely, 21072668860 is an apocalyptic number.
1072668860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1072668860 is an abundant number, since it is smaller than the sum of its proper divisors (1180586116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1072668860 is a wasteful number, since it uses less digits than its factorization.
1072668860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15493 (or 15491 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 1072668860 is about 32751.6237765397. The cubic root of 1072668860 is about 1023.6588002541.
The spelling of 1072668860 in words is "one billion, seventy-two million, six hundred sixty-eight thousand, eight hundred sixty".
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