Base | Representation |
---|---|
bin | 111110110110101100… |
… | …0010110011011001001 |
3 | 110220101220222000121100 |
4 | 1331231120112123021 |
5 | 4202414121223100 |
6 | 142001502132013 |
7 | 12515623205100 |
oct | 1755530263311 |
9 | 426356860540 |
10 | 134979086025 |
11 | 522761a2163 |
12 | 221b0281009 |
13 | c9615bcc94 |
14 | 6766885037 |
15 | 37a0038400 |
hex | 1f6d6166c9 |
134979086025 has 81 divisors (see below), whose sum is σ = 281314374471. Its totient is φ = 61687090080.
The previous prime is 134979086017. The next prime is 134979086101. The reversal of 134979086025 is 520680979431.
The square root of 134979086025 is 367395.
It is a perfect power (a square), and thus also a powerful number.
134979086025 is a `hidden beast` number, since 1 + 3 + 497 + 90 + 8 + 60 + 2 + 5 = 666.
It can be written as a sum of positive squares in only one way, i.e., 48592470969 + 86386615056 = 220437^2 + 293916^2 .
It is not a de Polignac number, because 134979086025 - 23 = 134979086017 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 38574726 + ... + 38578224.
It is a 1-persistent number, because it is pandigital, but 2⋅134979086025 = 269958172050 is not.
Almost surely, 2134979086025 is an apocalyptic number.
134979086025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
134979086025 is the 367395-th square number.
134979086025 is the 183698-th centered octagonal number.
It is an amenable number.
134979086025 is an abundant number, since it is smaller than the sum of its proper divisors (146335288446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134979086025 is an frugal number, since it uses more digits than its factorization.
134979086025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7028 (or 3514 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The spelling of 134979086025 in words is "one hundred thirty-four billion, nine hundred seventy-nine million, eighty-six thousand, twenty-five".
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