Base | Representation |
---|---|
bin | 100000001001011… |
… | …0101101010100001 |
3 | 2210011201122002110 |
4 | 1000102311222201 |
5 | 4202120231400 |
6 | 255011505533 |
7 | 35505426210 |
oct | 10022655241 |
9 | 2704648073 |
10 | 1078680225 |
11 | 503983467 |
12 | 2612b82a9 |
13 | 14262792c |
14 | a338d077 |
15 | 64a73e50 |
hex | 404b5aa1 |
1078680225 has 24 divisors (see below), whose sum is σ = 2038192960. Its totient is φ = 493110720.
The previous prime is 1078680199. The next prime is 1078680271. The reversal of 1078680225 is 5220868701.
It is not a de Polignac number, because 1078680225 - 215 = 1078647457 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1026790 + ... + 1027839.
Almost surely, 21078680225 is an apocalyptic number.
1078680225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1078680225 is a deficient number, since it is larger than the sum of its proper divisors (959512735).
1078680225 is a wasteful number, since it uses less digits than its factorization.
1078680225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2054649 (or 2054644 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 39.
The square root of 1078680225 is about 32843.2675749536. The cubic root of 1078680225 is about 1025.5674747832.
The spelling of 1078680225 in words is "one billion, seventy-eight million, six hundred eighty thousand, two hundred twenty-five".
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