Base | Representation |
---|---|
bin | 100101011011000… |
… | …0110001100011010 |
3 | 10020111210220220001 |
4 | 1022312012030122 |
5 | 10032424221010 |
6 | 324333523214 |
7 | 43055142514 |
oct | 11266061432 |
9 | 3214726801 |
10 | 1255695130 |
11 | 594897378 |
12 | 2b064350a |
13 | 1701c4b91 |
14 | bcaaabb4 |
15 | 7538cc3a |
hex | 4ad8631a |
1255695130 has 16 divisors (see below), whose sum is σ = 2266660584. Its totient is φ = 500853760.
The previous prime is 1255695121. The next prime is 1255695169. The reversal of 1255695130 is 315965521.
It can be written as a sum of positive squares in 4 ways, for example, as 1105363009 + 150332121 = 33247^2 + 12261^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1255695130.
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, 174331 + ... + 181390.
Almost surely, 21255695130 is an apocalyptic number.
1255695130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1255695130 is a deficient number, since it is larger than the sum of its proper divisors (1010965454).
1255695130 is a wasteful number, since it uses less digits than its factorization.
1255695130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356081.
The product of its (nonzero) digits is 40500, while the sum is 37.
The square root of 1255695130 is about 35435.7888299386. The cubic root of 1255695130 is about 1078.8508381519.
The spelling of 1255695130 in words is "one billion, two hundred fifty-five million, six hundred ninety-five thousand, one hundred thirty".
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