Base | Representation |
---|---|
bin | 111010110110101110… |
… | …0001010100111001001 |
3 | 110002020100100221120212 |
4 | 1311231130022213021 |
5 | 4032321334323000 |
6 | 134021323330505 |
7 | 12063031364033 |
oct | 1655534124711 |
9 | 402210327525 |
10 | 126390151625 |
11 | 49668a44671 |
12 | 205b3980a35 |
13 | bbc3056b8a |
14 | 618dcb4c53 |
15 | 344aea8c35 |
hex | 1d6d70a9c9 |
126390151625 has 16 divisors (see below), whose sum is σ = 161582108688. Its totient is φ = 98645968000.
The previous prime is 126390151529. The next prime is 126390151627. The reversal of 126390151625 is 526151093621.
It can be written as a sum of positive squares in 8 ways, for example, as 85635828496 + 40754323129 = 292636^2 + 201877^2 .
It is not a de Polignac number, because 126390151625 - 214 = 126390135241 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (126390151627) 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, 12325622 + ... + 12335871.
It is an arithmetic number, because the mean of its divisors is an integer number (10098881793).
Almost surely, 2126390151625 is an apocalyptic number.
It is an amenable number.
126390151625 is a deficient number, since it is larger than the sum of its proper divisors (35191957063).
126390151625 is an equidigital number, since it uses as much as digits as its factorization.
126390151625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24661549 (or 24661539 counting only the distinct ones).
The product of its (nonzero) digits is 97200, while the sum is 41.
The spelling of 126390151625 in words is "one hundred twenty-six billion, three hundred ninety million, one hundred fifty-one thousand, six hundred twenty-five".
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